Introduction:
There are two ways to send automatic out-of-office replies. The way you use depends on the type of email account you have.
Click File, then select the image below that matches your version of Outlook.

If you see the Automatic Replies button



If you don't see the Automatic Replies button



In this article, i will guide you, when you see the Automatic Replies button
Please see detail guide to setup automatically reply in Outlook.

How to Do:
Step 1: Click File and choose Automatic Replies


Step 2: A new widow will appear. Please click Send automatic replies to enable this function.
Step 3: If you only setup Automatic Replies for a period of time, then choose Only send during this time range
Step 4: Set the time according to your wishes
Step 5: On Inside My Organization tab, type the response that you want to send to teammates or colleagues while you are out of the office.

Step 6: Click OK to finished.

Note: Sending automatic replies to anyone outside my organization will send your automatic reply to every email, including newsletters, advertisements, and potentially, junk email. If you want to send automatic replies to those outside your organization, we recommend choosing My contacts only.

Conclusion:
Very simple, right? With just a few basic operations you can complete to install Automatically Reply in Outlook
If you have any question, please comments on box as below. Thank for your following.