Microsoft announced it will expand the list of blocked attachments in Outlook Web and the new Outlook for Windows starting ...

Microsoft also announced the deprecation of the Mail and Calendar apps, encouraging existing users to migrate to the new Outlook for Windows, which offers enhanced security. Mail and Calendar will ...

The zero-click hole, which was patched by Microsoft Tuesday, could point to far more vulnerabilities in the form-based architecture of Outlook. Among the large batch of security patches that ...

Outlook will block .library-ms and .search-ms attachments starting July 2025 to boost security across web and Windows apps.