M365 Outlook Web App (How To) Setup Automatic Replies
This topic shows you how to use the Automatic Replies tab. This feature was formerly known as the Out of Office Assistant Use automatic replies whenever you want to let people know that you won't be responding to their messages right away. After automatic replies are turned on, each sender will receive an email notification with your chosen message.
Set up an automatic reply
To turn on or modify automatic replies, do the following:
-
Open Outlook on the web and login to your account.
-
At the top of the page, select Outlook (or Mail).
Or, select the App launcher 
, and then select Outlook.
- At the top of the page, select Settings
> Automatic replies.
Note The setting is also located in the Outlook on the web options. At the top of the page, select Settings
> Options. Expand MAIL | Automatic replies. - Make the desired changes and click SAVE.
For further information, please see the Microsoft Outlook How To guide.