For most Microsoft 365 users, managing filters via the web is the most direct method as it syncs immediately across all devices. Sign in to your account at Outlook.com. Click the (gear icon) in the top-right corner. Select Mail , then click on Junk email . Find the Blocked senders and domains section. Locate the email address or domain you want to unblock. Click the Trash can icon (Remove) next to the entry. Click Save at the bottom of the page to apply changes. 2. Unblocking via Classic Outlook (Desktop App)
Here’s a proper, step-by-step write-up on how to unblock an email address in Outlook 365 (Microsoft 365).
I can do this by moving my mouse to the top right of my inbox And you'll see there are a number of icons in this area We're intere... YouTube How to Block and Unblock a Sender in Outlook (Web) How to Block a Sender in New Outlook (Web) * Step One: Open New Outlook. * Step Two: * Step Three: When prompted, select OK. * Ste... TeamDynamix Block or unblock a sender - Outlook for Mac - Microsoft Support Block a sender. ... In the Toolbar, select Block. Outlook adds the sender's email address to the blocked senders list. Note: You c... Microsoft Support how do I 'unblock' a sender in my email - Microsoft Q&A Dec 30, 2025 — how to unblock an email address in outlook 365
To ensure future emails arrive in your Inbox, consider adding the sender to your Safe senders and domains list located in the same menu.
After unblocking:
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)
Follow the steps below based on how you access Outlook. For most Microsoft 365 users, managing filters via
Best for users accessing email via Chrome, Edge, Safari, etc.
Note: It may take a few minutes for the changes to sync across all your devices (phone, tablet, and computer). Select Mail , then click on Junk email