How to block emails in Microsoft Outlook For this example, we used Outlook on a Windows PC with an active Microsoft 365 subscription to block emails with the following steps.

Windows Advanced Threat Protection allows admins to set link filters for email messages and attachments in Outlook.

Microsoft is working on including a new Office 365 Advanced Threat Protection (ATP) feature that would block email sender domains automatically if they fail DMARC authentication as part of an ...

Microsoft Corp. is rolling out a new feature in Office 365 designed to block so-called “email storms” that include “reply-all” to a large number of people on a distribution list.