Pre-requisites: you must have been granted full access permissions, by the IT department, to the mailbox in order to access it.
- In any web browser go to https://outlook.office.com/owa, log in.
- Click your circular personal icon at the top right-hand side of the window and click on Open another mailbox…
- Enter the email address for the target mailbox to open that mailbox.
- Click on the gear icon at the top right-hand corner of the mailbox, then click on View all Outlook settings > Mail > Automatic Replies to update the reply:
- Be sure to save all changes by clicking OK at the top of the auto reply window.