Summary: Microsoft has acknowledged reports of increased CPU usage in recent versions of the classic Outlook email client, specifically versions updated to Outlook Version 2406 Build 17726.20126 and later. Users have experienced spikes in CPU usage ranging from 30% to 50% while typing, which has led Microsoft to recommend switching to the Semi-Annual Channel until a fix is available. Affected users are given specific instructions to modify their Windows Registry to facilitate this switch and mitigate the issue temporarily.
Affected: Microsoft Outlook clients in Current Channel, Monthly Enterprise Channel, or Insider channels
Keypoints :
- Users reported increased CPU usage while typing in Outlook, with spikes of 30% to 50%.
- Disabling spell-check options and add-ins has not resolved the issue for those affected.
- Microsoft advises switching to the Semi-Annual Channel as a temporary solution until a fix is developed.
- A specific registry key modification is required for users to change their update branch to the Semi-Annual Channel.
- IT admins can switch channels for their organizations using various management tools provided by Microsoft.