Microsoft Outlook 2013 / 2016 /2019
1. Click on the File Tab at the top left of the screen.
2. Select Automatic replies (Out of Office)
3. You will able to customize the reply that will be sent out. You can send different replies to inside of your organization and outside of your organization.
4. After Clicking OK, Out of Office will be set. It can be turned off in the same place. Once out of office have been set, an info notification will display below Home Tab. You may click Turn off if you want to stop out of office setting.