Outlook--Set automatic out of office replies
Select File on the left end of the ribbon:
Select Automatic Replies (Out of Office)
In the Automatic Replies box, select Send automatic replies.
Optionally, set a date range for your automatic replies. This will turn off automatic replies at the date and time you enter for the end time. Otherwise, you'll need to turn off automatic replies manually. Do do this check the box for Only send during this time range. Select the days and time you will be out.
On the Inside My Organization tab, type the response that you want to send to teammates or colleagues while you are out of the office.
Select OK to save your settings.
Turn off automatic out-of-office replies
When Outlook is setup to send automatic replies, you'll see a message under the ribbon with this information. Select Turn off to disable automatic out-of-office replies. If you want to modify the dates for your automatic reply or the message sent, use the steps above to modify your settings.