1. Start the Outlook app and tap the menu button at the top left of the screen.
2. Tap the gear icon at the bottom of the screen to open the Settings menu.
3. Tap the account you want to configure an out of office message for. Note, this will only work for certain kinds of accounts, like Microsoft Exchange, Office 365, and Outlook.com.
4. Tap “Automatic Replies.”
5. Turn on Automatic Replies by swiping the button to the right.
6. Enter the message you want to send for your out of office message.