To retract an item you have sent

Use Retract to delete a sent item from the recipient’s Mailbox. You can retract a mail or phone message from those recipients who haven't yet opened the item. You can retract an appointment, reminder note, or task at any time.

  1. Click the Sent Items folder in the Folder List.

  2. Right-click or Ctrl+click the item you want to retract > click Delete.

  3. Select the appropriate option.

  4. (Optional) If you have selected to retract this item from other recipients’ mailboxes, you can type a comment to the recipients, explaining why the item was retracted.

  5. Click OK.

To see which recipients have opened your message, right-click the item > click Properties.