diff --git a/app/internal_packages/preferences/lib/tabs/keymaps/displayed-keybindings.ts b/app/internal_packages/preferences/lib/tabs/keymaps/displayed-keybindings.ts
index 4c88f956d..7244f2bc8 100644
--- a/app/internal_packages/preferences/lib/tabs/keymaps/displayed-keybindings.ts
+++ b/app/internal_packages/preferences/lib/tabs/keymaps/displayed-keybindings.ts
@@ -41,6 +41,7 @@ export default [
       ['thread-list:select-unread', localized('Select all unread conversations')],
       ['thread-list:select-starred', localized('Select all starred conversations')],
       ['thread-list:select-unstarred', localized('Select all unstarred conversations')],
+      ['thread-list:select-unread-mark-as-read', localized('Select Unread and Mark as Read')],
     ],
   },
   {
diff --git a/app/internal_packages/thread-list/lib/thread-list.tsx b/app/internal_packages/thread-list/lib/thread-list.tsx
index 8c2bede96..7036f5448 100644
--- a/app/internal_packages/thread-list/lib/thread-list.tsx
+++ b/app/internal_packages/thread-list/lib/thread-list.tsx
@@ -23,6 +23,8 @@ import {
   FocusedContentStore,
   FocusedPerspectiveStore,
   FolderSyncProgressStore,
+  Thread,
+  TaskFactory,
 } from 'mailspring-exports';
 
 import * as ThreadListColumns from './thread-list-columns';
@@ -116,6 +118,7 @@ class ThreadList extends React.Component<{}, { style: string; syncing: boolean }
               'thread-list:select-unread': this._onSelectUnread,
               'thread-list:select-starred': this._onSelectStarred,
               'thread-list:select-unstarred': this._onSelectUnstarred,
+              'thread-list:select-unread-mark-as-read': this._onSelectUnreadMarkAsRead,
             }}
             onDoubleClick={thread => Actions.popoutThread(thread)}
             onDragItems={this._onDragItems}
@@ -281,6 +284,24 @@ class ThreadList extends React.Component<{}, { style: string; syncing: boolean }
     const items = dataSource.itemsCurrentlyInViewMatching(item => !item.starred);
     this.refs.list.handler().onSelect(items);
   };
+
+  _onSelectUnreadMarkAsRead = () => {
+    const dataSource = ThreadListStore.dataSource();
+    const items = dataSource.itemsCurrentlyInViewMatching(item => item.unread) as Thread[];
+    
+    if (items.length === 0) {
+      return;
+    }
+
+    Actions.queueTask(
+      TaskFactory.taskForSettingUnread({
+        threads: items,
+        unread: false,
+        source: 'Toolbar Button: Thread List',
+      })
+    );
+    Actions.popSheet();
+  };
 }
 
 export default ThreadList;
diff --git a/app/menus/darwin.js b/app/menus/darwin.js
index 5d4af3e2b..62632f0c6 100644
--- a/app/menus/darwin.js
+++ b/app/menus/darwin.js
@@ -73,6 +73,8 @@ module.exports = {
         { label: localized('Select All Starred'), command: 'thread-list:select-starred' },
         { label: localized('Select All Unstarred'), command: 'thread-list:select-unstarred' },
         { type: 'separator' },
+        { label: localized('Select Unread and Mark as Read'), command: 'thread-list:select-unread-mark-as-read' },
+        { type: 'separator' },
         {
           label: localized('Find'),
           submenu: [
diff --git a/app/menus/linux.js b/app/menus/linux.js
index c151b6f72..c30fabd02 100644
--- a/app/menus/linux.js
+++ b/app/menus/linux.js
@@ -41,6 +41,8 @@ module.exports = {
         { label: localized('Select All Starred'), command: 'thread-list:select-starred' },
         { label: localized('Select All Unstarred'), command: 'thread-list:select-unstarred' },
         { type: 'separator' },
+        { label: localized('Select Unread and Mark as Read'), command: 'thread-list:select-unread-mark-as-read' },
+        { type: 'separator' },
         {
           label: localized('Find'),
           submenu: [
diff --git a/app/menus/win32.js b/app/menus/win32.js
index ed547309d..7a15a2e5c 100644
--- a/app/menus/win32.js
+++ b/app/menus/win32.js
@@ -20,6 +20,8 @@ module.exports = {
         { label: localized('Select All Starred'), command: 'thread-list:select-starred' },
         { label: localized('Select All Unstarred'), command: 'thread-list:select-unstarred' },
         { type: 'separator' },
+        { label: localized('Select Unread and Mark as Read'), command: 'thread-list:select-unread-mark-as-read' },
+        { type: 'separator' },
         {
           label: localized('Find'),
           submenu: [