Manage your Allowed and Blocked URLs in the Tenant Allow/Block List – Office 365

Manage your Allowed and Blocked URLs in the Tenant Allow/Block List – Office 365

1. Open https://protection.office.com/

2. In the Security & Compliance Center, go to Threat management > Policy > Tenant Allow/Block Lists.

3. On the Tenant Allow/Block List page, verify that the URLs tab is selected, and then click Add

4. In the Add new URLs flyout that appears, configure the following settings:
   • Add URLs with wildcards: Enter one URL per line, up to a maximum of 20.
   • Block/Allow: Select whether you want to Allow or Block the specified URLs.
   • Never expire: Do one of the following steps:
   • Verify the setting is turned off () and use the Expires on box to specify the expiration date for the entries.

or

• Move the toggle to the right to configure the entries to never expire:

• Optional note: Enter descriptive text for the entries.

5. When you’re finished, click Add.