You can also add the address to the Safe senders and domains list to ensure future messages are never marked as junk.
For many, the web version is the easiest place to manage high-level account settings. Block or unblock senders in Outlook - Microsoft Support
Follow the steps below based on how you access Outlook. how to unblock an email address in outlook 365
Block or unblock a sender - Outlook for Mac - Microsoft Support
Best for users accessing email via Chrome, Edge, Safari, etc. You can also add the address to the
Best for users using the installed Microsoft 365 software.
Depending on how you access your mail—via the web, the desktop app, or your phone—the steps vary slightly. 1. Unblocking via Outlook on the Web (Outlook.com) Block or unblock a sender - Outlook for
If you can find an email from the blocked sender inside your folder, you can unblock them instantly without going into settings.