Summary: Microsoft has acknowledged a known issue causing significant CPU spikes (30-50%) when typing in its classic Outlook email client, particularly affecting users in the Semi-Annual Channel with recent versions. A fix is expected to be rolled out in May 2025, while users can temporarily revert to an earlier version as a workaround. The company has also addressed other recent Outlook and Office-related issues and updates.
Affected: Microsoft Outlook users in the Semi-Annual Channel
Keypoints :
- Users report high CPU usage when typing emails in Outlook Version 2406 Build 17726.20126 or later.
- A temporary workaround is to revert to Version 2405, despite the lack of security updates in that version.
- Fixes are scheduled for rollout in May 2025, depending on the specific Outlook build users are on.
- Recent updates from Microsoft also addressed other performance issues and bugs affecting Outlook and other Office applications.