Outlook—Removing your Out of Office Assistant
Your Out of Office Assistant is a tool that automatically replies to all messages you receive. You can learn how to enable the Assistant in the Out of Office Assistant tutorial. In this tutorial, we will disable you current Out of Office Assistant.

First we go to Tools >> Out of Office Assistant

Now select the option Do not send Out of Office auto-replies.
Your out of office agent is now disabled and your incoming mail will no longer receive an auto-response.
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You can always call the Help Desk if you have questions: 724-552-2500.