Outlook for mac unblock sender

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Remove blocked addresses from the settings menu Right-click the message and select Stop ignoring from the third section of the drop-down menu.Locate the sender's message in the Deleted Items folder.Remove blocked addresses using an existing message In the prompt that appears, click the OK button.In the drop-down menu that appears, in the third section, select Block.Right-click a message from the sender you'd like to block.Remove blocked addresses from the settings menu.Remove blocked addresses using an existing message.