Outlook
The latest Outlook coverage — news, analysis, and updates from the WindowsNews.AI desk.
Outlook 2026 Preview: One-Step Folder Sharing & Local File Sending Revolutionize Email Workflow
Microsoft is poised to dramatically simplify two of Outlook's most cumbersome workflows with a major preview update scheduled for May 2026. The upcoming enhancements target folder sharing permissions...
Microsoft Edge Copilot sidebar auto-opens from Outlook links in experimental test with no opt-in consent
Microsoft's latest experimental feature in Edge—automatically opening the Copilot side pane when users click links from Outlook—represents what appears to be a minor interface adjustment but...
Outlook Contact Masking Retirement: Microsoft Removes Recipient Hiding Feature in 2026
Microsoft has announced the retirement of a subtle but significant Outlook feature known as Contact Masking, with the functionality scheduled for removal on March 31, 2026. This small UI...
Outlook Mobile Hide Declined Events Feature: Complete Guide & User Reactions
Microsoft has finally brought one of the most requested calendar management features to Outlook Mobile, allowing users to hide declined events from their mobile calendars. This seemingly simple...
Windows 11 January 2026 Patch KB5074109 Causes Major Regressions, KB5078127 Released as Fix
Microsoft's January 2026 Patch Tuesday update for Windows 11, designated KB5074109 and released on January 13, has triggered significant system instability and application failures across numerous...
Microsoft's Emergency KB5078127 Update Fixes Critical Outlook Cloud File Access Bug
Microsoft has released an emergency out-of-band update, KB5078127, to address a critical regression that prevented Outlook and other applications from opening or saving files stored in cloud services...
Microsoft KB5078132 Emergency Update Fixes Cloud Sync and PST Corruption
Microsoft has released an out-of-band cumulative update for Windows 11 version 23H2—KB5078132 (OS Build 22631.6495)—on January 24, 2026, addressing critical post-Patch Tuesday regressions that...
Outlook hangs and RDP failures force Microsoft to release emergency OOB fixes after January 2026 Patch Tuesday
Microsoft's January 2026 Patch Tuesday update, intended to address critical security vulnerabilities across Windows platforms, has instead introduced significant operational disruptions for...
Windows 11 KB5074109 Update Causes Cloud App Crashes, Microsoft Issues Workarounds
Windows 11 users are experiencing significant disruptions following the January 13, 2026 cumulative update KB5074109, which has introduced a regression causing cloud storage applications to become...
Third-Party ISP Routing Failure Cuts Microsoft 365 Access for Millions Jan 21
On January 21, 2026, Microsoft's cloud productivity ecosystem experienced a significant disruption that impacted millions of users globally during peak U.S. business hours. The outage affected core...
KB5074109 Outlook PST OneDrive Bug: Microsoft's January 2026 Update Causes Major File Access Issues
Microsoft's January 2026 servicing wave has unleashed a significant regression affecting countless Windows 11 users, with the KB5074109 cumulative update introducing a critical file-access problem...
OneDrive Known Folder Move Undo Feature: Windows 11 Users Gain Control
Microsoft has quietly rolled out a significant quality-of-life improvement for Windows 11 users who rely on OneDrive's Folder Backup feature, commonly known as Known Folder Move. The update...