Go to https://outlook.office365.com – if you are not automatically signed in, login using your work credentials.
In the top right corner, click on your profile icon – this will either be you profile photo or a circle with your initials.
Made with DASH A.i.Follow the steps below to access the shared mailbox and enable automatic replies. Because you are acting on a shared mailbox (not your personal inbox), you must first open that mailbox directly before changing any settings.
Can't find the shared mailbox? Make sure you have been granted delegate or full-access permissions by your IT administrator before attempting these steps. If the mailbox does not appear, raise a request with your IT helpdesk.
Scheduling a date range: When enabling automatic replies, Outlook on the web lets you set a specific start and end date/time so the reply switches off automatically — useful for planned leave periods without needing someone to manually turn it off.
Key things to remember:
- Always navigate to https://outlook.office365.com in your browser — do not use the desktop Outlook app for this task, as shared mailbox settings are most reliably managed via the web.
- Sign in with your own work credentials; you do not need a separate login for the shared mailbox.
- Changes you save apply to the shared mailbox, not your personal inbox.
- A short video walkthrough of the full process is available at the top of this page for visual reference.