diff --git a/src/wp-admin/_index.php b/src/wp-admin/_index.php
index ccdf525c0c..d534f6b25f 100644
--- a/src/wp-admin/_index.php
+++ b/src/wp-admin/_index.php
@@ -94,7 +94,7 @@ if ( is_blog_admin() && current_user_can( 'edit_posts' ) ) {
 
 $help .= '<p>' . sprintf(
 	/* translators: %s: WordPress Planet URL. */
-	__( '<strong>WordPress Events and News</strong> &mdash; Upcoming events near you as well as the latest news from the official WordPress project and the <a href="%s">WordPress Planet</a>.' ),
+	__( '<strong>WordPress Events and News</strong> &mdash; Upcoming events near you as well as the latest news from the official WordPress project and the <a href="%s" target="_blank">WordPress Planet</a>.' ),
 	__( 'https://planet.wordpress.org/' )
 ) . '</p>';
 
@@ -129,8 +129,8 @@ if ( ! $is_dev_version ) {
 
 $screen->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/dashboard-screen/">Documentation on Dashboard</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/dashboard-screen/" target="_blank">Documentation on Dashboard</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>' .
 	'<p>' . $wp_version_text . '</p>'
 );
 
diff --git a/src/wp-admin/admin-footer.php b/src/wp-admin/admin-footer.php
index 9e683d0b11..30dcee3d78 100644
--- a/src/wp-admin/admin-footer.php
+++ b/src/wp-admin/admin-footer.php
@@ -34,7 +34,7 @@ global $hook_suffix;
 		<?php
 		$text = sprintf(
 			/* translators: %s: https://wordpress.org/ */
-			__( 'Thank you for creating with <a href="%s">WordPress</a>.' ),
+			__( 'Thank you for creating with <a href="%s" target="_blank">WordPress</a>.' ),
 			__( 'https://wordpress.org/' )
 		);
 
diff --git a/src/wp-admin/comment.php b/src/wp-admin/comment.php
index c2e452bfe0..cc628414c6 100644
--- a/src/wp-admin/comment.php
+++ b/src/wp-admin/comment.php
@@ -68,8 +68,8 @@ switch ( $action ) {
 
 		get_current_screen()->set_help_sidebar(
 			'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-			'<p>' . __( '<a href="https://wordpress.org/support/article/comments-screen/">Documentation on Comments</a>' ) . '</p>' .
-			'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+			'<p>' . __( '<a href="https://wordpress.org/support/article/comments-screen/" target="_blank">Documentation on Comments</a>' ) . '</p>' .
+			'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 		);
 
 		wp_enqueue_script( 'comment' );
diff --git a/src/wp-admin/edit-comments.php b/src/wp-admin/edit-comments.php
index ec6abc1972..51a2585d69 100644
--- a/src/wp-admin/edit-comments.php
+++ b/src/wp-admin/edit-comments.php
@@ -207,10 +207,10 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/comments-screen/">Documentation on Comments</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/comment-spam/">Documentation on Comment Spam</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/keyboard-shortcuts/#keyboard-shortcuts-for-comments">Documentation on Keyboard Shortcuts</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/comments-screen/" target="_blank">Documentation on Comments</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/comment-spam/" target="_blank">Documentation on Comment Spam</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/keyboard-shortcuts/#keyboard-shortcuts-for-comments" target="_blank">Documentation on Keyboard Shortcuts</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 get_current_screen()->set_screen_reader_content(
diff --git a/src/wp-admin/edit-tags.php b/src/wp-admin/edit-tags.php
index 9812d97c76..4fec51a1ae 100644
--- a/src/wp-admin/edit-tags.php
+++ b/src/wp-admin/edit-tags.php
@@ -302,14 +302,14 @@ if ( 'category' === $taxonomy || 'link_category' === $taxonomy || 'post_tag' ===
 	$help = '<p><strong>' . __( 'For more information:' ) . '</strong></p>';
 
 	if ( 'category' === $taxonomy ) {
-		$help .= '<p>' . __( '<a href="https://wordpress.org/support/article/posts-categories-screen/">Documentation on Categories</a>' ) . '</p>';
+		$help .= '<p>' . __( '<a href="https://wordpress.org/support/article/posts-categories-screen/" target="_blank">Documentation on Categories</a>' ) . '</p>';
 	} elseif ( 'link_category' === $taxonomy ) {
-		$help .= '<p>' . __( '<a href="https://codex.wordpress.org/Links_Link_Categories_Screen">Documentation on Link Categories</a>' ) . '</p>';
+		$help .= '<p>' . __( '<a href="https://codex.wordpress.org/Links_Link_Categories_Screen" target="_blank">Documentation on Link Categories</a>' ) . '</p>';
 	} else {
-		$help .= '<p>' . __( '<a href="https://wordpress.org/support/article/posts-tags-screen/">Documentation on Tags</a>' ) . '</p>';
+		$help .= '<p>' . __( '<a href="https://wordpress.org/support/article/posts-tags-screen/" target="_blank">Documentation on Tags</a>' ) . '</p>';
 	}
 
-	$help .= '<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>';
+	$help .= '<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>';
 
 	get_current_screen()->set_help_sidebar( $help );
 
diff --git a/src/wp-admin/edit.php b/src/wp-admin/edit.php
index f56beabae8..d657bea6c3 100644
--- a/src/wp-admin/edit.php
+++ b/src/wp-admin/edit.php
@@ -294,8 +294,8 @@ if ( 'post' === $post_type ) {
 
 	get_current_screen()->set_help_sidebar(
 		'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-		'<p>' . __( '<a href="https://wordpress.org/support/article/posts-screen/">Documentation on Managing Posts</a>' ) . '</p>' .
-		'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+		'<p>' . __( '<a href="https://wordpress.org/support/article/posts-screen/" target="_blank">Documentation on Managing Posts</a>' ) . '</p>' .
+		'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 	);
 
 } elseif ( 'page' === $post_type ) {
@@ -319,8 +319,8 @@ if ( 'post' === $post_type ) {
 
 	get_current_screen()->set_help_sidebar(
 		'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-		'<p>' . __( '<a href="https://wordpress.org/support/article/pages-screen/">Documentation on Managing Pages</a>' ) . '</p>' .
-		'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+		'<p>' . __( '<a href="https://wordpress.org/support/article/pages-screen/" target="_blank">Documentation on Managing Pages</a>' ) . '</p>' .
+		'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 	);
 
 }
diff --git a/src/wp-admin/erase-personal-data.php b/src/wp-admin/erase-personal-data.php
index bbcc086288..86292ff88e 100644
--- a/src/wp-admin/erase-personal-data.php
+++ b/src/wp-admin/erase-personal-data.php
@@ -62,8 +62,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-erase-personal-data-screen/">Documentation on Erase Personal Data</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-erase-personal-data-screen/" target="_blank">Documentation on Erase Personal Data</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 // Handle list table actions.
diff --git a/src/wp-admin/export-personal-data.php b/src/wp-admin/export-personal-data.php
index 6e44ce9c63..7056525ef8 100644
--- a/src/wp-admin/export-personal-data.php
+++ b/src/wp-admin/export-personal-data.php
@@ -62,8 +62,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-export-personal-data-screen/">Documentation on Export Personal Data</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-export-personal-data-screen/" target="_blank">Documentation on Export Personal Data</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 // Handle list table actions.
diff --git a/src/wp-admin/export.php b/src/wp-admin/export.php
index e94a9a0e19..d141653369 100644
--- a/src/wp-admin/export.php
+++ b/src/wp-admin/export.php
@@ -56,8 +56,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-export-screen/">Documentation on Export</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-export-screen/" target="_blank">Documentation on Export</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 // If the 'download' URL parameter is set, a WXR export file is baked and returned.
diff --git a/src/wp-admin/import.php b/src/wp-admin/import.php
index fe911f86c9..313b3af2a3 100644
--- a/src/wp-admin/import.php
+++ b/src/wp-admin/import.php
@@ -29,8 +29,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-import-screen/">Documentation on Import</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-import-screen/" target="_blank">Documentation on Import</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 if ( current_user_can( 'install_plugins' ) ) {
diff --git a/src/wp-admin/includes/class-wp-plugins-list-table.php b/src/wp-admin/includes/class-wp-plugins-list-table.php
index 86bc2531e8..28f61f43e7 100644
--- a/src/wp-admin/includes/class-wp-plugins-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugins-list-table.php
@@ -1054,7 +1054,7 @@ class WP_Plugins_List_Table extends WP_List_Table {
 					if ( ! empty( $plugin_data['Author'] ) ) {
 						$author = $plugin_data['Author'];
 						if ( ! empty( $plugin_data['AuthorURI'] ) ) {
-							$author = '<a href="' . $plugin_data['AuthorURI'] . '">' . $plugin_data['Author'] . '</a>';
+							$author = '<a href="' . $plugin_data['AuthorURI'] . '" target="_blank">' . $plugin_data['Author'] . '</a>';
 						}
 						/* translators: %s: Plugin author name. */
 						$plugin_meta[] = sprintf( __( 'By %s' ), $author );
diff --git a/src/wp-admin/includes/dashboard.php b/src/wp-admin/includes/dashboard.php
index 1754832ac5..67bf812629 100644
--- a/src/wp-admin/includes/dashboard.php
+++ b/src/wp-admin/includes/dashboard.php
@@ -1445,7 +1445,7 @@ function wp_print_community_events_templates() {
 				<div class="event-info">
 					<div class="dashicons event-icon" aria-hidden="true"></div>
 					<div class="event-info-inner">
-						<a class="event-title" href="{{ event.url }}">{{ event.title }}</a>
+						<a class="event-title" href="{{ event.url }}" target="_blank">{{ event.title }}</a>
 						<span class="event-city">{{ event.location.location }}</span>
 					</div>
 				</div>
@@ -1466,7 +1466,7 @@ function wp_print_community_events_templates() {
 				<?php
 				printf(
 					/* translators: %s: Localized meetup organization documentation URL. */
-					__( 'Want more events? <a href="%s">Help organize the next one</a>!' ),
+					__( 'Want more events? <a href="%s" target="_blank">Help organize the next one</a>!' ),
 					__( 'https://make.wordpress.org/community/organize-event-landing-page/' )
 				);
 				?>
@@ -1481,7 +1481,7 @@ function wp_print_community_events_templates() {
 				<?php
 				printf(
 					/* translators: 1: The city the user searched for, 2: Meetup organization documentation URL. */
-					__( 'There are no events scheduled near %1$s at the moment. Would you like to <a href="%2$s">organize a WordPress event</a>?' ),
+					__( 'There are no events scheduled near %1$s at the moment. Would you like to <a href="%2$s" target="_blank">organize a WordPress event</a>?' ),
 					'{{ data.location.description }}',
 					__( 'https://make.wordpress.org/community/handbook/meetup-organizer/welcome/' )
 				);
@@ -1491,7 +1491,7 @@ function wp_print_community_events_templates() {
 				<?php
 				printf(
 					/* translators: %s: Meetup organization documentation URL. */
-					__( 'There are no events scheduled near you at the moment. Would you like to <a href="%s">organize a WordPress event</a>?' ),
+					__( 'There are no events scheduled near you at the moment. Would you like to <a href="%s" target="_blank">organize a WordPress event</a>?' ),
 					__( 'https://make.wordpress.org/community/handbook/meetup-organizer/welcome/' )
 				);
 				?>
diff --git a/src/wp-admin/includes/file.php b/src/wp-admin/includes/file.php
index 774f3b0151..44d73fa158 100644
--- a/src/wp-admin/includes/file.php
+++ b/src/wp-admin/includes/file.php
@@ -322,7 +322,7 @@ function wp_print_file_editor_templates() {
 					<?php
 					printf(
 						/* translators: %s: Documentation URL. */
-						__( 'You need to make this file writable before you can save your changes. See <a href="%s">Changing File Permissions</a> for more information.' ),
+						__( 'You need to make this file writable before you can save your changes. See <a href="%s" target="_blank">Changing File Permissions</a> for more information.' ),
 						__( 'https://wordpress.org/support/article/changing-file-permissions/' )
 					);
 					?>
diff --git a/src/wp-admin/media-new.php b/src/wp-admin/media-new.php
index 94fa50ff3d..f78fbc29c8 100644
--- a/src/wp-admin/media-new.php
+++ b/src/wp-admin/media-new.php
@@ -58,8 +58,8 @@ get_current_screen()->add_help_tab(
 );
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/media-add-new-screen/">Documentation on Uploading Media Files</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/media-add-new-screen/" target="_blank">Documentation on Uploading Media Files</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
diff --git a/src/wp-admin/options-discussion.php b/src/wp-admin/options-discussion.php
index f34be054de..810e741230 100644
--- a/src/wp-admin/options-discussion.php
+++ b/src/wp-admin/options-discussion.php
@@ -29,8 +29,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-discussion-screen/">Documentation on Discussion Settings</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-discussion-screen/" target="_blank">Documentation on Discussion Settings</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
diff --git a/src/wp-admin/options-general.php b/src/wp-admin/options-general.php
index e624217a53..29970efc5b 100644
--- a/src/wp-admin/options-general.php
+++ b/src/wp-admin/options-general.php
@@ -46,8 +46,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-general-screen/">Documentation on General Settings</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-general-screen/" target="_blank">Documentation on General Settings</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
@@ -105,7 +105,7 @@ if ( ! is_multisite() ) {
 		<?php
 		printf(
 			/* translators: %s: Documentation URL. */
-			__( 'Enter the same address here unless you <a href="%s">want your site home page to be different from your WordPress installation directory</a>.' ),
+			__( 'Enter the same address here unless you <a href="%s" target="_blank">want your site home page to be different from your WordPress installation directory</a>.' ),
 			__( 'https://wordpress.org/support/article/giving-wordpress-its-own-directory/' )
 		);
 		?>
@@ -410,7 +410,7 @@ foreach ( $time_formats as $format ) {
 		'<p><strong>' . __( 'Preview:' ) . '</strong> <span class="example">' . date_i18n( get_option( 'time_format' ) ) . '</span>' .
 		"<span class='spinner'></span>\n" . '</p>';
 
-	echo "\t<p class='date-time-doc'>" . __( '<a href="https://wordpress.org/support/article/formatting-date-and-time/">Documentation on date and time formatting</a>.' ) . "</p>\n";
+	echo "\t<p class='date-time-doc'>" . __( '<a href="https://wordpress.org/support/article/formatting-date-and-time/" target="_blank">Documentation on date and time formatting</a>.' ) . "</p>\n";
 ?>
 	</fieldset>
 </td>
diff --git a/src/wp-admin/options-media.php b/src/wp-admin/options-media.php
index 54c7174d96..a62f9cae5b 100644
--- a/src/wp-admin/options-media.php
+++ b/src/wp-admin/options-media.php
@@ -38,8 +38,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-media-screen/">Documentation on Media Settings</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-media-screen/" target="_blank">Documentation on Media Settings</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
diff --git a/src/wp-admin/options-permalink.php b/src/wp-admin/options-permalink.php
index 1c3d60a801..c3acc69576 100644
--- a/src/wp-admin/options-permalink.php
+++ b/src/wp-admin/options-permalink.php
@@ -57,14 +57,14 @@ get_current_screen()->add_help_tab(
 );
 
 $help_sidebar_content = '<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-permalinks-screen/">Documentation on Permalinks Settings</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/using-permalinks/">Documentation on Using Permalinks</a>' ) . '</p>';
+	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-permalinks-screen/" target="_blank">Documentation on Permalinks Settings</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/using-permalinks/" target="_blank">Documentation on Using Permalinks</a>' ) . '</p>';
 
 if ( $is_nginx ) {
-	$help_sidebar_content .= '<p>' . __( '<a href="https://wordpress.org/support/article/nginx/">Documentation on Nginx configuration</a>.' ) . '</p>';
+	$help_sidebar_content .= '<p>' . __( '<a href="https://wordpress.org/support/article/nginx/" target="_blank">Documentation on Nginx configuration</a>.' ) . '</p>';
 }
 
-$help_sidebar_content .= '<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>';
+$help_sidebar_content .= '<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>';
 
 get_current_screen()->set_help_sidebar( $help_sidebar_content );
 unset( $help_sidebar_content );
@@ -223,7 +223,7 @@ require_once ABSPATH . 'wp-admin/admin-header.php';
 <?php
 printf(
 	/* translators: %s: Documentation URL. */
-	__( 'WordPress offers you the ability to create a custom URL structure for your permalinks and archives. Custom URL structures can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="%s">number of tags are available</a>, and here are some examples to get you started.' ),
+	__( 'WordPress offers you the ability to create a custom URL structure for your permalinks and archives. Custom URL structures can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="%s" target="_blank">number of tags are available</a>, and here are some examples to get you started.' ),
 	__( 'https://wordpress.org/support/article/using-permalinks/' )
 );
 ?>
@@ -459,7 +459,7 @@ printf(
 				<?php
 				printf(
 					/* translators: 1: web.config, 2: Documentation URL, 3: Ctrl + A, 4: ⌘ + A, 5: Element code. */
-					__( '<strong>Error:</strong> Your %1$s file is not <a href="%2$s">writable</a>, so updating it automatically was not possible. This is the URL rewrite rule you should have in your %1$s file. Click in the field and press %3$s (or %4$s on Mac) to select all. Then insert this rule inside of the %5$s element in %1$s file.' ),
+					__( '<strong>Error:</strong> Your %1$s file is not <a href="%2$s" target="_blank">writable</a>, so updating it automatically was not possible. This is the URL rewrite rule you should have in your %1$s file. Click in the field and press %3$s (or %4$s on Mac) to select all. Then insert this rule inside of the %5$s element in %1$s file.' ),
 					'<code>web.config</code>',
 					__( 'https://wordpress.org/support/article/changing-file-permissions/' ),
 					'<kbd>Ctrl + A</kbd>',
@@ -492,7 +492,7 @@ printf(
 				<?php
 				printf(
 					/* translators: 1: Documentation URL, 2: web.config, 3: Ctrl + A, 4: ⌘ + A */
-					__( '<strong>Error:</strong> The root directory of your site is not <a href="%1$s">writable</a>, so creating a file automatically was not possible. This is the URL rewrite rule you should have in your %2$s file. Create a new file called %2$s in the root directory of your site. Click in the field and press %3$s (or %4$s on Mac) to select all. Then insert this code into the %2$s file.' ),
+					__( '<strong>Error:</strong> The root directory of your site is not <a href="%1$s" target="_blank">writable</a>, so creating a file automatically was not possible. This is the URL rewrite rule you should have in your %2$s file. Create a new file called %2$s in the root directory of your site. Click in the field and press %3$s (or %4$s on Mac) to select all. Then insert this code into the %2$s file.' ),
 					__( 'https://wordpress.org/support/article/changing-file-permissions/' ),
 					'<code>web.config</code>',
 					'<kbd>Ctrl + A</kbd>',
@@ -527,7 +527,7 @@ printf(
 			<?php
 			printf(
 				/* translators: 1: .htaccess, 2: Documentation URL, 3: Ctrl + A, 4: ⌘ + A */
-				__( '<strong>Error:</strong> Your %1$s file is not <a href="%2$s">writable</a>, so updating it automatically was not possible. These are the mod_rewrite rules you should have in your %1$s file. Click in the field and press %3$s (or %4$s on Mac) to select all.' ),
+				__( '<strong>Error:</strong> Your %1$s file is not <a href="%2$s" target="_blank">writable</a>, so updating it automatically was not possible. These are the mod_rewrite rules you should have in your %1$s file. Click in the field and press %3$s (or %4$s on Mac) to select all.' ),
 				'<code>.htaccess</code>',
 				__( 'https://wordpress.org/support/article/changing-file-permissions/' ),
 				'<kbd>Ctrl + A</kbd>',
diff --git a/src/wp-admin/options-privacy.php b/src/wp-admin/options-privacy.php
index b477cc40b1..8dd767a8a6 100644
--- a/src/wp-admin/options-privacy.php
+++ b/src/wp-admin/options-privacy.php
@@ -44,7 +44,7 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-privacy-screen/">Documentation on Privacy Settings</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-privacy-screen/" target="_blank">Documentation on Privacy Settings</a>' ) . '</p>'
 );
 
 if ( ! empty( $action ) ) {
diff --git a/src/wp-admin/options-reading.php b/src/wp-admin/options-reading.php
index b0bb61f569..43bc9d9954 100644
--- a/src/wp-admin/options-reading.php
+++ b/src/wp-admin/options-reading.php
@@ -31,7 +31,7 @@ get_current_screen()->add_help_tab(
 			) . '</p>' .
 			'<p>' . sprintf(
 				/* translators: %s: Documentation URL. */
-				__( 'You can also control the display of your content in RSS feeds, including the maximum number of posts to display and whether to show full text or an excerpt. <a href="%s">Learn more about feeds</a>.' ),
+				__( 'You can also control the display of your content in RSS feeds, including the maximum number of posts to display and whether to show full text or an excerpt. <a href="%s" target="_blank">Learn more about feeds</a>.' ),
 				__( 'https://wordpress.org/support/article/wordpress-feeds/' )
 			) . '</p>' .
 			'<p>' . __( 'You must click the Save Changes button at the bottom of the screen for new settings to take effect.' ) . '</p>',
@@ -50,8 +50,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-reading-screen/">Documentation on Reading Settings</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-reading-screen/" target="_blank">Documentation on Reading Settings</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
@@ -180,7 +180,7 @@ else :
 		<?php
 		printf(
 			/* translators: %s: Documentation URL. */
-			__( 'Your theme determines how content is displayed in browsers. <a href="%s">Learn more about feeds</a>.' ),
+			__( 'Your theme determines how content is displayed in browsers. <a href="%s" target="_blank">Learn more about feeds</a>.' ),
 			__( 'https://wordpress.org/support/article/wordpress-feeds/' )
 		);
 		?>
diff --git a/src/wp-admin/options-writing.php b/src/wp-admin/options-writing.php
index 45b112672b..33356d840d 100644
--- a/src/wp-admin/options-writing.php
+++ b/src/wp-admin/options-writing.php
@@ -50,8 +50,8 @@ if ( apply_filters( 'enable_update_services_configuration', true ) ) {
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-writing-screen/">Documentation on Writing Settings</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/settings-writing-screen/" target="_blank">Documentation on Writing Settings</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
@@ -212,7 +212,7 @@ if ( apply_filters( 'enable_update_services_configuration', true ) ) {
 		<?php
 		printf(
 			/* translators: %s: Documentation URL. */
-			__( 'When you publish a new post, WordPress automatically notifies the following site update services. For more about this, see <a href="%s">Update Services</a> on the Codex. Separate multiple service URLs with line breaks.' ),
+			__( 'When you publish a new post, WordPress automatically notifies the following site update services. For more about this, see <a href="%s" target="_blank">Update Services</a> on the Codex. Separate multiple service URLs with line breaks.' ),
 			__( 'https://wordpress.org/support/article/update-services/' )
 		);
 		?>
@@ -226,7 +226,7 @@ if ( apply_filters( 'enable_update_services_configuration', true ) ) {
 		<?php
 		printf(
 			/* translators: 1: Documentation URL, 2: URL to Reading Settings screen. */
-			__( 'WordPress is not notifying any <a href="%1$s">Update Services</a> because of your site&#8217;s <a href="%2$s">visibility settings</a>.' ),
+			__( 'WordPress is not notifying any <a href="%1$s" target="_blank">Update Services</a> because of your site&#8217;s <a href="%2$s">visibility settings</a>.' ),
 			__( 'https://wordpress.org/support/article/update-services/' ),
 			'options-reading.php'
 		);
diff --git a/src/wp-admin/plugin-editor.php b/src/wp-admin/plugin-editor.php
index e6804c671b..28d0682b9e 100644
--- a/src/wp-admin/plugin-editor.php
+++ b/src/wp-admin/plugin-editor.php
@@ -140,9 +140,9 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/plugins-editor-screen/">Documentation on Editing Plugins</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://developer.wordpress.org/plugins/">Documentation on Writing Plugins</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/plugins-editor-screen/" target="_blank">Documentation on Editing Plugins</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://developer.wordpress.org/plugins/" target="_blank">Documentation on Writing Plugins</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 $settings = array(
@@ -295,7 +295,7 @@ $content = esc_textarea( $content );
 			<?php
 			printf(
 				/* translators: %s: Documentation URL. */
-				__( 'You need to make this file writable before you can save your changes. See <a href="%s">Changing File Permissions</a> for more information.' ),
+				__( 'You need to make this file writable before you can save your changes. See <a href="%s" target="_blank">Changing File Permissions</a> for more information.' ),
 				__( 'https://wordpress.org/support/article/changing-file-permissions/' )
 			);
 			?>
diff --git a/src/wp-admin/plugins.php b/src/wp-admin/plugins.php
index bc7774b197..d67ddb1600 100644
--- a/src/wp-admin/plugins.php
+++ b/src/wp-admin/plugins.php
@@ -547,7 +547,7 @@ get_current_screen()->add_help_tab(
 				'<p>' . __( 'The search for installed plugins will search for terms in their name, description, or author.' ) . ' <span id="live-search-desc" class="hide-if-no-js">' . __( 'The search results will be updated as you type.' ) . '</span></p>' .
 				'<p>' . sprintf(
 					/* translators: %s: WordPress Plugin Directory URL. */
-					__( 'If you would like to see more plugins to choose from, click on the &#8220;Add New&#8221; button and you will be able to browse or search for additional plugins from the <a href="%s">WordPress Plugin Directory</a>. Plugins in the WordPress Plugin Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they&#8217;re free!' ),
+					__( 'If you would like to see more plugins to choose from, click on the &#8220;Add New&#8221; button and you will be able to browse or search for additional plugins from the <a href="%s" target="_blank">WordPress Plugin Directory</a>. Plugins in the WordPress Plugin Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they&#8217;re free!' ),
 					__( 'https://wordpress.org/plugins/' )
 				) . '</p>',
 	)
@@ -580,14 +580,14 @@ if ( current_user_can( 'update_plugins' ) && wp_is_auto_update_enabled_for_type(
 		)
 	);
 
-	$help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/">Documentation on Auto-updates</a>' ) . '</p>';
+	$help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/" target="_blank">Documentation on Auto-updates</a>' ) . '</p>';
 }
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/managing-plugins/">Documentation on Managing Plugins</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/managing-plugins/" target="_blank">Documentation on Managing Plugins</a>' ) . '</p>' .
 	$help_sidebar_autoupdates .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 get_current_screen()->set_screen_reader_content(
diff --git a/src/wp-admin/setup-config.php b/src/wp-admin/setup-config.php
index 30a1b79502..b6c4071f49 100644
--- a/src/wp-admin/setup-config.php
+++ b/src/wp-admin/setup-config.php
@@ -469,7 +469,7 @@ if ( ! /iPad|iPod|iPhone/.test( navigator.userAgent ) ) {
 				if ( ! empty( $wp_config_perms ) && ! is_writable( $path_to_wp_config ) ) {
 					$error_message = sprintf(
 						/* translators: 1: wp-config.php, 2: Documentation URL. */
-						__( 'You need to make the file %1$s writable before you can save your changes. See <a href="%2$s">Changing File Permissions</a> for more information.' ),
+						__( 'You need to make the file %1$s writable before you can save your changes. See <a href="%2$s" target="_blank">Changing File Permissions</a> for more information.' ),
 						'<code>wp-config.php</code>',
 						__( 'https://wordpress.org/support/article/changing-file-permissions/' )
 					);
diff --git a/src/wp-admin/site-health.php b/src/wp-admin/site-health.php
index 5c471fe4d5..070c937315 100644
--- a/src/wp-admin/site-health.php
+++ b/src/wp-admin/site-health.php
@@ -87,7 +87,7 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/site-health-screen/">Documentation on Site Health tool</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/site-health-screen/" target="_blank">Documentation on Site Health tool</a>' ) . '</p>'
 );
 
 // Start by checking if this is a special request checking for the existence of certain filters.
diff --git a/src/wp-admin/theme-editor.php b/src/wp-admin/theme-editor.php
index cd37763d15..68fa83f53f 100644
--- a/src/wp-admin/theme-editor.php
+++ b/src/wp-admin/theme-editor.php
@@ -40,7 +40,7 @@ get_current_screen()->add_help_tab(
 				'<p>' . __( '<strong>Advice:</strong> Think very carefully about your site crashing if you are live-editing the theme currently in use.' ) . '</p>' .
 				'<p>' . sprintf(
 					/* translators: %s: Link to documentation on child themes. */
-					__( 'Upgrading to a newer version of the same theme will override changes made here. To avoid this, consider creating a <a href="%s">child theme</a> instead.' ),
+					__( 'Upgrading to a newer version of the same theme will override changes made here. To avoid this, consider creating a <a href="%s" target="_blank">child theme</a> instead.' ),
 					__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' )
 				) . '</p>' .
 				( is_network_admin() ? '<p>' . __( 'Any edits to files from this screen will be reflected on all sites in the network.' ) . '</p>' : '' ),
@@ -49,11 +49,11 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://developer.wordpress.org/themes/">Documentation on Theme Development</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/appearance-editor-screen/">Documentation on Editing Themes</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/editing-files/">Documentation on Editing Files</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://developer.wordpress.org/themes/basics/template-tags/">Documentation on Template Tags</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://developer.wordpress.org/themes/" target="_blank">Documentation on Theme Development</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/appearance-editor-screen/" target="_blank">Documentation on Editing Themes</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/editing-files/" target="_blank">Documentation on Editing Files</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://developer.wordpress.org/themes/basics/template-tags/" target="_blank">Documentation on Template Tags</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 wp_reset_vars( array( 'action', 'error', 'file', 'theme' ) );
@@ -325,7 +325,7 @@ else :
 					<?php
 					printf(
 						/* translators: %s: Documentation URL. */
-						__( 'You need to make this file writable before you can save your changes. See <a href="%s">Changing File Permissions</a> for more information.' ),
+						__( 'You need to make this file writable before you can save your changes. See <a href="%s" target="_blank">Changing File Permissions</a> for more information.' ),
 						__( 'https://wordpress.org/support/article/changing-file-permissions/' )
 					);
 					?>
@@ -372,7 +372,7 @@ if ( ! in_array( 'theme_editor_notice', $dismissed_pointers, true ) ) :
 							echo '<p>';
 							printf(
 								/* translators: %s: Link to documentation on child themes. */
-								__( 'If you need to tweak more than your theme&#8217;s CSS, you might want to try <a href="%s">making a child theme</a>.' ),
+								__( 'If you need to tweak more than your theme&#8217;s CSS, you might want to try <a href="%s" target="_blank">making a child theme</a>.' ),
 								esc_url( __( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ) )
 							);
 							echo '</p>';
diff --git a/src/wp-admin/themes.php b/src/wp-admin/themes.php
index e2b60f778f..6863cad57b 100644
--- a/src/wp-admin/themes.php
+++ b/src/wp-admin/themes.php
@@ -153,7 +153,7 @@ if ( current_user_can( 'install_themes' ) ) {
 	} else {
 		$help_install = '<p>' . sprintf(
 			/* translators: %s: https://wordpress.org/themes/ */
-			__( 'If you would like to see more themes to choose from, click on the &#8220;Add New&#8221; button and you will be able to browse or search for additional themes from the <a href="%s">WordPress Theme Directory</a>. Themes in the WordPress Theme Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they&#8217;re free!' ),
+			__( 'If you would like to see more themes to choose from, click on the &#8220;Add New&#8221; button and you will be able to browse or search for additional themes from the <a href="%s" target="_blank">WordPress Theme Directory</a>. Themes in the WordPress Theme Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they&#8217;re free!' ),
 			__( 'https://wordpress.org/themes/' )
 		) . '</p>';
 	}
@@ -199,15 +199,15 @@ if ( current_user_can( 'update_themes' ) && wp_is_auto_update_enabled_for_type(
 		)
 	);
 
-	$help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/">Documentation on Auto-updates</a>' ) . '</p>';
+	$help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/" target="_blank">Documentation on Auto-updates</a>' ) . '</p>';
 } // End if 'update_themes' && 'wp_is_auto_update_enabled_for_type'.
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/using-themes/">Documentation on Using Themes</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/appearance-themes-screen/">Documentation on Managing Themes</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/using-themes/" target="_blank">Documentation on Using Themes</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/appearance-themes-screen/" target="_blank">Documentation on Managing Themes</a>' ) . '</p>' .
 	$help_sidebar_autoupdates .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 if ( current_user_can( 'switch_themes' ) ) {
diff --git a/src/wp-admin/tools.php b/src/wp-admin/tools.php
index 8095e4726b..76b53209f3 100644
--- a/src/wp-admin/tools.php
+++ b/src/wp-admin/tools.php
@@ -53,8 +53,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-screen/">Documentation on Tools</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/tools-screen/" target="_blank">Documentation on Tools</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
diff --git a/src/wp-admin/update-core.php b/src/wp-admin/update-core.php
index 2ac4648fcf..f92da2d91b 100644
--- a/src/wp-admin/update-core.php
+++ b/src/wp-admin/update-core.php
@@ -97,7 +97,7 @@ function list_core_update( $update ) {
 
 			$php_update_message = '</p><p>' . sprintf(
 				/* translators: %s: URL to Update PHP page. */
-				__( '<a href="%s">Learn more about updating PHP</a>.' ),
+				__( '<a href="%s" target="_blank">Learn more about updating PHP</a>.' ),
 				esc_url( wp_get_update_php_url() )
 			);
 
@@ -110,7 +110,7 @@ function list_core_update( $update ) {
 			if ( ! $mysql_compat && ! $php_compat ) {
 				$message = sprintf(
 					/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */
-					__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ),
+					__( 'You cannot update because <a href="%1$s" target="_blank">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ),
 					$version_url,
 					$update->current,
 					$update->php_version,
@@ -121,7 +121,7 @@ function list_core_update( $update ) {
 			} elseif ( ! $php_compat ) {
 				$message = sprintf(
 					/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */
-					__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ),
+					__( 'You cannot update because <a href="%1$s" target="_blank">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ),
 					$version_url,
 					$update->current,
 					$update->php_version,
@@ -130,7 +130,7 @@ function list_core_update( $update ) {
 			} elseif ( ! $mysql_compat ) {
 				$message = sprintf(
 					/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */
-					__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ),
+					__( 'You cannot update because <a href="%1$s" target="_blank">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ),
 					$version_url,
 					$update->current,
 					$update->mysql_version,
@@ -139,7 +139,7 @@ function list_core_update( $update ) {
 			} else {
 				$message = sprintf(
 					/* translators: 1: Installed WordPress version number, 2: URL to WordPress release notes, 3: New WordPress version number, including locale if necessary. */
-					__( 'You can update from WordPress %1$s to <a href="%2$s">WordPress %3$s</a> manually:' ),
+					__( 'You can update from WordPress %1$s to <a href="%2$s" target="_blank">WordPress %3$s</a> manually:' ),
 					$wp_version,
 					$version_url,
 					$version_string
@@ -264,7 +264,7 @@ function core_upgrade_preamble() {
 		echo '<div class="notice notice-warning inline"><p>';
 		printf(
 			/* translators: 1: Documentation on WordPress backups, 2: Documentation on updating WordPress. */
-			__( '<strong>Important:</strong> Before updating, please <a href="%1$s">back up your database and files</a>. For help with updates, visit the <a href="%2$s">Updating WordPress</a> documentation page.' ),
+			__( '<strong>Important:</strong> Before updating, please <a href="%1$s" target="_blank">back up your database and files</a>. For help with updates, visit the <a href="%2$s" >Updating WordPress</a> documentation page.' ),
 			__( 'https://wordpress.org/support/article/wordpress-backups/' ),
 			__( 'https://wordpress.org/support/article/updating-wordpress/' )
 		);
@@ -538,7 +538,7 @@ function list_plugin_updates() {
 			$compat .= '<br />' . __( 'This update does not work with your version of PHP.' ) . '&nbsp;';
 			$compat .= sprintf(
 				/* translators: %s: URL to Update PHP page. */
-				__( '<a href="%s">Learn more about updating PHP</a>.' ),
+				__( '<a href="%s" target="_blank">Learn more about updating PHP</a>.' ),
 				esc_url( wp_get_update_php_url() )
 			);
 
@@ -647,7 +647,7 @@ function list_theme_updates() {
 	<?php
 	printf(
 		/* translators: %s: Link to documentation on child themes. */
-		__( '<strong>Please Note:</strong> Any customizations you have made to theme files will be lost. Please consider using <a href="%s">child themes</a> for modifications.' ),
+		__( '<strong>Please Note:</strong> Any customizations you have made to theme files will be lost. Please consider using <a href="%s" target="_blank">child themes</a> for modifications.' ),
 		__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' )
 	);
 	?>
@@ -685,7 +685,7 @@ function list_theme_updates() {
 			if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
 				$compat .= sprintf(
 					/* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
-					__( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),
+					__( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s" target="_blank">learn more about updating PHP</a>.' ),
 					esc_url( self_admin_url( 'update-core.php' ) ),
 					esc_url( wp_get_update_php_url() )
 				);
@@ -704,7 +704,7 @@ function list_theme_updates() {
 			} elseif ( current_user_can( 'update_php' ) ) {
 				$compat .= sprintf(
 					/* translators: %s: URL to Update PHP page. */
-					__( '<a href="%s">Learn more about updating PHP</a>.' ),
+					__( '<a href="%s" target="_blank">Learn more about updating PHP</a>.' ),
 					esc_url( wp_get_update_php_url() )
 				);
 
@@ -728,7 +728,7 @@ function list_theme_updates() {
 			if ( current_user_can( 'update_php' ) ) {
 				$compat .= sprintf(
 					/* translators: %s: URL to Update PHP page. */
-					__( '<a href="%s">Learn more about updating PHP</a>.' ),
+					__( '<a href="%s" target="_blank">Learn more about updating PHP</a>.' ),
 					esc_url( wp_get_update_php_url() )
 				);
 
@@ -1008,14 +1008,14 @@ if ( ( current_user_can( 'update_themes' ) && wp_is_auto_update_enabled_for_type
 		)
 	);
 
-	$help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/">Documentation on Auto-updates</a>' ) . '</p>';
+	$help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/" target="_blank">Documentation on Auto-updates</a>' ) . '</p>';
 }
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/dashboard-updates-screen/">Documentation on Updating WordPress</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/dashboard-updates-screen/" target="_blank">Documentation on Updating WordPress</a>' ) . '</p>' .
 	$help_sidebar_autoupdates .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 if ( 'upgrade-core' === $action ) {
diff --git a/src/wp-admin/upload.php b/src/wp-admin/upload.php
index 1594d7858d..9d4f11c577 100644
--- a/src/wp-admin/upload.php
+++ b/src/wp-admin/upload.php
@@ -349,8 +349,8 @@ get_current_screen()->add_help_tab(
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/media-library-screen/">Documentation on Media Library</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/media-library-screen/" target="_blank">Documentation on Media Library</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 get_current_screen()->set_screen_reader_content(
diff --git a/src/wp-admin/users.php b/src/wp-admin/users.php
index ba96928bcf..0cbbe6e096 100644
--- a/src/wp-admin/users.php
+++ b/src/wp-admin/users.php
@@ -79,9 +79,9 @@ unset( $help );
 
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/users-screen/">Documentation on Managing Users</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/article/roles-and-capabilities/">Descriptions of Roles and Capabilities</a>' ) . '</p>' .
-	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
+	'<p>' . __( '<a href="https://wordpress.org/support/article/users-screen/" target="_blank">Documentation on Managing Users</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/article/roles-and-capabilities/" target="_blank">Descriptions of Roles and Capabilities</a>' ) . '</p>' .
+	'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>' ) . '</p>'
 );
 
 get_current_screen()->set_screen_reader_content(
diff --git a/src/wp-includes/comment-template.php b/src/wp-includes/comment-template.php
index b5cbdc5cbe..acfc26775a 100644
--- a/src/wp-includes/comment-template.php
+++ b/src/wp-includes/comment-template.php
@@ -252,7 +252,7 @@ function get_comment_author_link( $comment_ID = 0 ) {
 		$rel = ! empty( $rel ) ? sprintf( ' rel="%s"', $rel ) : '';
 
 		$return = sprintf(
-			'<a href="%1$s" class="url"%2$s>%3$s</a>',
+			'<a href="%1$s" target="_blank" class="url"%2$s>%3$s</a>',
 			$url,
 			$rel,
 			$author
diff --git a/src/wp-includes/widgets.php b/src/wp-includes/widgets.php
index dc643ffe1c..49c3b7aa7f 100644
--- a/src/wp-includes/widgets.php
+++ b/src/wp-includes/widgets.php
@@ -1655,9 +1655,9 @@ function wp_widget_rss_output( $rss, $args = array() ) {
 		if ( '' === $link ) {
 			echo "<li>$title{$date}{$summary}{$author}</li>";
 		} elseif ( $show_summary ) {
-			echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$summary}{$author}</li>";
+			echo "<li><a class='rsswidget' href='$link' target='_blank'>$title</a>{$date}{$summary}{$author}</li>";
 		} else {
-			echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$author}</li>";
+			echo "<li><a class='rsswidget' href='$link' target='_blank'>$title</a>{$date}{$author}</li>";
 		}
 	}
 	echo '</ul>';
