Applies To
Outlook for Microsoft 365 Outlook on the web New Outlook for Windows
  • In classic Outlook, select a message to mark as read and press Ctrl+Q, or on the Home tab, select Outlook Read Unread button icon Unread/Read.

  • Select a message to mark as unread and press Ctrl+U, or on the Home tab, select Outlook Read Unread button icon Unread/Read. If you don't see Unread/Read, select Tags or the ellipsis (Generic Ellipsis button) on the Home tab first.

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