Outlook Mark as Unread Shortcut for Windows, Mac & Web

Marks the selected email as unread. Here's the keyboard shortcut for every version of Outlook, plus other ways to do it.

Quick Answer

Windows
Ctrl+U
Mac
Cmd+Shift+T
Web
U
Outlook

Mark as Unread

Windows
Ctrl+U

Marks the selected email as unread.

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How to mark as unread in Outlook with the keyboard

  1. Open Outlook and go to where you want to mark as unread.
  2. Press Ctrl + U on Windows or Cmd + Shift + T on Mac.

Outlook Mark as Unread Shortcut for Windows

Press Ctrl + U.

Outlook Mark as Unread Shortcut for Mac

Press Cmd + Shift + T.

Outlook Mark as Unread Shortcut for Outlook Web

Press U.

Related Shortcuts

Frequently asked questions

What is the Outlook mark as unread shortcut?

On Windows, press Ctrl + U. On a Mac, press Cmd + Shift + T.

Is there a Mac shortcut to mark as unread in Outlook?

Yes: Cmd + Shift + T.

Does it work in Outlook for the web?

Yes: U.

Not yet verified · Last reviewed: not yet reviewed · Microsoft's official shortcut list