Automatic Replies on Your Mailbox

1- Open Outlook

2- Click on File > Automatic Replies (Out of Office)

3- Click on Send automatic replies

4- Click on Only send during this time range > set the time range

5- Under Inside My Organization > type your message

6- Click on Outside My Organization >  type your message

Automatic Replies on a Shared Mailbox

1- Open Google Chrome

2- Click on Managed Bookmarks > My applications

3- Click on Outlook

4- Click on The Circle with your initials at the top right > Open another mailbox

5- Type in the mailbox address > Open

6- On the new tab, click on View > View settings

7- Click on Mail > Automatic Replies > Turn on automatic replies

8- Click on Send replies only during a time period > Set the period

9- Type your messages > Save