Out of Office Multiple Mailboxes in Outlook

In Outlook click on File in the upper left corner

Under Account information thee is a drop down that will show all available mailboxes for Outlook.

Select the mailbox you want to add the Out of Office for.

Click on Automatic Replies (Out of Office) to setup your message

Select your time fram the out of office will be enabled.

Input your message you want individuals inside the company to receive.

If you want individuals out side the company to receive a message you will need to input on under the Outside My Organization tab.