Outlook of Office (aka “OOF”) is commonly used in Exchange when users are on vacation. It automatically replies once to each sender and can send a different message to internet and external recipients. These instructions assume you configure Out of Office (OOF) through webmail. You can just as easily configure it through Tools, Out of Office Assistant. That option does not work through Outlook when used remotely, though. In that case, it is easier to use webmail. Open Webmail
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