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

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

Microsoft has released its June 2025 Patch Tuesday updates, fixing 66 flaws including a critical zero-day actively exploited ...

Starting in July, two new file types will be blocked in Microsoft Outlook. The .library-ms and .search-ms extensions both ...