1. Click on the File tab.

2. Click on Automatic Replies.

3. Select Send Automatic Replies.

4. Write the message you want sent to your coworkers. You may want to suggest other colleagues that your coworkers should reach out to in your absence.

5. To send responses to senders outside of your organization, click Outside My Organization and then fill in a separate message. To set a time range for your out of office message, click "Only send during this time range" and select parameters.

6. Click OK to save changes.