This article is for Outlook Web App, which is used by organizations that manage email servers running Exchange Server 2013 or 2010. If you're using Microsoft 365 or Exchange Server 2016, your email program is Outlook on the web. For help with Outlook on the web, see Get help with Outlook on the web.
Use automatic replies whenever you want to let people who send you email know that you won't be responding to their messages right away. After automatic replies are turned on, they'll be sent once to each sender.
To get to the Automatic replies page from the main Outlook Web App page, go to the upper corner and choose Options, then choose Automatic replies from the list in the navigation pane.
After you change the settings on this page, click Save to apply your changes.
Don't send automatic replies Select this option to turn off automatic replies. By default, automatic replies are turned off.
Send automatic replies Select this option to turn on automatic replies. When you turn on automatic replies, a reply is sent to email messages that you receive. After you turn on this setting, you need to enter your auto-reply message in the box labeled Send a reply once to each sender inside my organization with the following message. If you don't enter a message, senders will not receive an automatic reply.
Send replies only during this time period Select this option if you want to define a time period that includes the dates and the times you want automatic replies to be sent. Use the lists next to Start time and End time to configure the dates and times for the period you want automatic replies to be sent to senders.
Replace my current automatic reply message with the following Select this check box to replace your existing internal automatic reply with the new text you enter in the text box below it.
Send automatic reply messages to External Senders Select this check box to send automatic replies to external senders in addition to internal senders. The reply you enter for external senders is sent only to senders outside your organization. If you don't enter a message, external senders will not receive an automatic reply.
Send replies only to senders in my Contacts list Select this option if you want automatic reply messages to be sent only to those external senders who are in your Contacts list.
Send replies to anyone outside my organization Select this option if you want automatic replies to be sent to anyone outside your organization. This includes people in your Contacts list.
Replace my current external automatic reply message with the following Select this check box to replace your existing external automatic reply with the new text you enter in the text box below it.
To learn more about the light version of Outlook Web App, such as how to get back to the regular version or what the features and limitations are, see Outlook Web App Light.