Outlook Stability
The latest Outlook Stability coverage — news, analysis, and updates from the WindowsNews.AI desk.
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...
Microsoft Fixes Outlook Crashes in 2025: Update Guide & Workarounds
Microsoft has resolved a critical bug in its 2025 Outlook updates that caused frequent crashes when users attempted to open emails or compose new messages. This stability issue primarily affected the...
Microsoft Resolves Outlook Crash Bug Linked to Forms Library Access Issues
Microsoft has finally addressed a persistent and disruptive bug in Outlook that caused the email client to crash when users attempted to open messages or compose new emails. This issue, primarily...
How to Fix Outlook Crashes Caused by Missing Forms Library: Expert Workaround Guide
Microsoft Outlook remains one of the most widely used email clients worldwide, but users of the classic version are increasingly encountering crashes related to missing Forms Library components. As...
Outlook VDI Crashes: Forms Library Fixes & Workarounds for IT Admins
Microsoft Outlook users on Virtual Desktop Infrastructure (VDI) environments have been reporting persistent crashes linked to the Forms Library component. These stability issues, particularly...
Microsoft Outlook Classic CPU Spike in 2025: Causes, Effects, and Workaround Strategies
Introduction In 2025, Microsoft confirmed a significant performance issue impacting the Classic Outlook application on Windows 10 and Windows 11 systems. Users began experiencing severe CPU...
Resolving Microsoft Outlook CPU Spikes: A Comprehensive Guide for IT Professionals
Introduction Microsoft's classic Outlook client has recently been identified as a source of significant CPU usage spikes, particularly during email composition. This issue has affected users across...
Outlook CPU Spike Bug: Causes, Implications, and Solutions
Introduction Microsoft's classic Outlook application has recently been plagued by a significant performance issue, causing CPU usage to spike dramatically—by as much as 30% to 50%—when users type...
Resolving High CPU Usage and Crashes in Classic Outlook: Effective Troubleshooting Strategies
Introduction Microsoft Outlook has long been a cornerstone for email communication and personal information management. However, users of the classic Outlook for Windows have recently encountered...