diff --git a/src/wp-admin/includes/class-wp-comments-list-table.php b/src/wp-admin/includes/class-wp-comments-list-table.php
index 904a2dce47..38d7ed36ee 100644
--- a/src/wp-admin/includes/class-wp-comments-list-table.php
+++ b/src/wp-admin/includes/class-wp-comments-list-table.php
@@ -124,6 +124,13 @@ class WP_Comments_List_Table extends WP_List_Table {
 			$start += $_REQUEST['offset'];
 		}
 
+		if ( ! empty( $_REQUEST['mode'] ) ) {
+			$mode = 'extended' === $_REQUEST['mode'] ? 'extended' : 'list';
+			set_user_setting( 'posts_list_mode', $mode );
+		} else {
+			$mode = get_user_setting( 'posts_list_mode', 'list' );
+		}
+
 		$status_map = array(
 			'mine'      => '',
 			'moderated' => 'hold',
@@ -751,8 +758,14 @@ class WP_Comments_List_Table extends WP_List_Table {
 		/** This filter is documented in wp-admin/includes/dashboard.php */
 		$actions = apply_filters( 'comment_row_actions', array_filter( $actions ), $comment );
 
+		$always_visible = false;
+		$mode = get_user_setting( 'posts_list_mode', 'list' );
+		if ( 'extended' === $mode ) {
+			$always_visible = true;
+		}
+
 		$i    = 0;
-		$out .= '<div class="row-actions">';
+		$out .= '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">';
 		foreach ( $actions as $action => $link ) {
 			++$i;
 			( ( ( 'approve' === $action || 'unapprove' === $action ) && 2 === $i ) || 1 === $i ) ? $sep = '' : $sep = ' | ';
diff --git a/src/wp-admin/includes/class-wp-list-table.php b/src/wp-admin/includes/class-wp-list-table.php
index e6d829e39f..a2851203e1 100644
--- a/src/wp-admin/includes/class-wp-list-table.php
+++ b/src/wp-admin/includes/class-wp-list-table.php
@@ -166,8 +166,8 @@ class WP_List_Table {
 
 		if ( empty( $this->modes ) ) {
 			$this->modes = array(
-				'list'    => __( 'List View' ),
-				'excerpt' => __( 'Excerpt View' ),
+				'list'     => __( 'Compact View' ),
+				'extended' => __( 'Extended View' ),
 			);
 		}
 	}
@@ -523,6 +523,11 @@ class WP_List_Table {
 			return '';
 		}
 
+		$mode = get_user_setting( 'posts_list_mode', 'list' );
+		if ( 'extended' === $mode ) {
+			$always_visible = true;
+		}
+
 		$out = '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">';
 		foreach ( $actions as $action => $link ) {
 			++$i;
@@ -1247,7 +1252,22 @@ class WP_List_Table {
 	 * @return string[] Array of CSS classes for the table tag.
 	 */
 	protected function get_table_classes() {
-		return array( 'widefat', 'fixed', 'striped', $this->_args['plural'] );
+		$mode       = get_user_setting( 'posts_list_mode', 'list' );
+		$mode_class = 'extended' === $mode ? 'table-view-extended' : 'table-view-list';
+		$mode = get_user_setting( 'posts_list_mode', 'list' );
+		/**
+		 * Filters the current view mode.
+		 *
+		 * @since 5.5.0
+		 *
+		 * @param string $mode The current selected mode. Default value of
+		 *                     posts_list_mode user setting.
+		 */
+		$mode = apply_filters( 'table_view_mode', $mode );
+
+		$mode_class = 'extended' === $mode ? 'table-view-extended' : 'table-view-' . $mode;
+
+		return array( 'widefat', 'fixed', 'striped', $mode_class, $this->_args['plural'] );
 	}
 
 	/**
diff --git a/src/wp-admin/includes/class-wp-posts-list-table.php b/src/wp-admin/includes/class-wp-posts-list-table.php
index 141ca89a58..b3d9e7da31 100644
--- a/src/wp-admin/includes/class-wp-posts-list-table.php
+++ b/src/wp-admin/includes/class-wp-posts-list-table.php
@@ -178,7 +178,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 		}
 
 		if ( ! empty( $_REQUEST['mode'] ) ) {
-			$mode = 'excerpt' === $_REQUEST['mode'] ? 'excerpt' : 'list';
+			$mode = 'extended' === $_REQUEST['mode'] ? 'extended' : 'list';
 			set_user_setting( 'posts_list_mode', $mode );
 		} else {
 			$mode = get_user_setting( 'posts_list_mode', 'list' );
@@ -598,7 +598,22 @@ class WP_Posts_List_Table extends WP_List_Table {
 	 * @return array
 	 */
 	protected function get_table_classes() {
-		return array( 'widefat', 'fixed', 'striped', is_post_type_hierarchical( $this->screen->post_type ) ? 'pages' : 'posts' );
+		$mode       = get_user_setting( 'posts_list_mode', 'list' );
+		$mode_class = 'extended' === $mode ? 'table-view-extended' : 'table-view-list';
+		$mode = get_user_setting( 'posts_list_mode', 'list' );
+		/**
+		 * Filters the current view mode.
+		 *
+		 * @since 5.5.0
+		 *
+		 * @param string $mode The current selected mode. Default value of
+		 *                     posts_list_mode user setting.
+		 */
+		$mode = apply_filters( 'table_view_mode', $mode );
+
+		$mode_class = 'extended' === $mode ? 'table-view-extended' : 'table-view-' . $mode;
+
+		return array( 'widefat', 'fixed', 'striped', $mode_class, is_post_type_hierarchical( $this->screen->post_type ) ? 'pages' : 'posts' );
 	}
 
 	/**
@@ -1042,7 +1057,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 		}
 		echo "</strong>\n";
 
-		if ( ! is_post_type_hierarchical( $this->screen->post_type ) && 'excerpt' === $mode && current_user_can( 'read_post', $post->ID ) ) {
+		if ( ! is_post_type_hierarchical( $this->screen->post_type ) && 'extended' === $mode && current_user_can( 'read_post', $post->ID ) ) {
 			if ( post_password_required( $post ) ) {
 				echo '<span class="protected-post-excerpt">' . esc_html( get_the_excerpt() ) . '</span>';
 			} else {
@@ -1102,7 +1117,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 		 * @param string  $status      The status text.
 		 * @param WP_Post $post        Post object.
 		 * @param string  $column_name The column name.
-		 * @param string  $mode        The list display mode ('excerpt' or 'list').
+		 * @param string  $mode        The list display mode ('extended' or 'list').
 		 */
 		$status = apply_filters( 'post_date_column_status', $status, $post, 'date', $mode );
 
@@ -1121,7 +1136,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 		 * @param string  $t_time      The published time.
 		 * @param WP_Post $post        Post object.
 		 * @param string  $column_name The column name.
-		 * @param string  $mode        The list display mode ('excerpt' or 'list').
+		 * @param string  $mode        The list display mode ('extended' or 'list').
 		 */
 		echo apply_filters( 'post_date_column_time', $t_time, $post, 'date', $mode );
 	}
@@ -1491,7 +1506,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 			}
 		}
 
-		$m            = ( isset( $mode ) && 'excerpt' === $mode ) ? 'excerpt' : 'list';
+		$m            = ( isset( $mode ) && 'extended' === $mode ) ? 'extended' : 'list';
 		$can_publish  = current_user_can( $post_type_object->cap->publish_posts );
 		$core_columns = array(
 			'cb'         => true,
diff --git a/src/wp-admin/includes/class-wp-screen.php b/src/wp-admin/includes/class-wp-screen.php
index e3a2fcd7a6..dace397437 100644
--- a/src/wp-admin/includes/class-wp-screen.php
+++ b/src/wp-admin/includes/class-wp-screen.php
@@ -1288,17 +1288,12 @@ final class WP_Screen {
 	public function render_view_mode() {
 		$screen = get_current_screen();
 
-		// Currently only enabled for posts lists.
-		if ( 'edit' !== $screen->base ) {
+		// Currently only enabled for posts and comments lists.
+		if ( 'edit' !== $screen->base && 'edit-comments' !== $screen->base ) {
 			return;
 		}
 
-		$view_mode_post_types = get_post_types(
-			array(
-				'hierarchical' => false,
-				'show_ui'      => true,
-			)
-		);
+		$view_mode_post_types = get_post_types( array( 'show_ui' => true ) );
 
 		/**
 		 * Filters the post types that have different view mode options.
@@ -1306,15 +1301,28 @@ final class WP_Screen {
 		 * @since 4.4.0
 		 *
 		 * @param string[] $view_mode_post_types Array of post types that can change view modes.
-		 *                                       Default non-hierarchical post types with show_ui on.
+		 *                                       Default post types with show_ui on.
 		 */
 		$view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );
 
-		if ( ! in_array( $this->post_type, $view_mode_post_types, true ) ) {
+		if ( 'edit' === $screen->base && ! in_array( $this->post_type, $view_mode_post_types, true ) ) {
 			return;
 		}
 
-		global $mode;
+		$mode = get_user_setting( 'posts_list_mode', 'list' );
+
+		// Set 'list' as default value if $mode is not set.
+		$mode = ( isset( $mode ) && 'extended' === $mode ) ? 'extended' : 'list';
+
+		/**
+		 * Filters the current view mode.
+		 *
+		 * @since 5.5.0
+		 *
+		 * @param string $mode The current selected mode. Default value of
+		 *                     posts_list_mode user setting.
+		 */
+		$mode = apply_filters( 'table_view_mode', $mode );
 
 		// This needs a submit button.
 		add_filter( 'screen_options_show_submit', '__return_true' );
@@ -1323,12 +1331,22 @@ final class WP_Screen {
 		<legend><?php _e( 'View Mode' ); ?></legend>
 				<label for="list-view-mode">
 					<input id="list-view-mode" type="radio" name="mode" value="list" <?php checked( 'list', $mode ); ?> />
-					<?php _e( 'List View' ); ?>
+					<?php _e( 'Compact view' ); ?>
 				</label>
 				<label for="excerpt-view-mode">
-					<input id="excerpt-view-mode" type="radio" name="mode" value="excerpt" <?php checked( 'excerpt', $mode ); ?> />
-					<?php _e( 'Excerpt View' ); ?>
+					<input id="excerpt-view-mode" type="radio" name="mode" value="extended" <?php checked( 'extended', $mode ); ?> />
+					<?php _e( 'Extended View' ); ?>
 				</label>
+				<?php
+				/**
+				 * Fires at the end of the table view modes screen option.
+				 *
+				 * @since 5.5.0
+				 *
+				 * @param string $mode The currently selected mode.
+				 */
+				do_action( 'wp_table_view_modes', $mode );
+				?>
 		</fieldset>
 		<?php
 	}