Find Related products on Amazon

Shop on Amazon

Microsoft announces fix for CPU spikes when typing in Outlook

Published on: 2025-08-09 14:10:47

Microsoft says it will soon fix a known issue causing CPU spikes when typing messages in recent versions of its classic Outlook email client. Redmond confirmed this bug last week after a wave of user reports on various online platforms since early November, including Microsoft's community website, with those affected saying that disabling all spell-check options and add-ins did not resolve the CPU usage issues. As the company says in an update to the original support document, this issue now impacts users in the Semi-Annual Channel who have updated to Outlook Version 2406 Build 17726.20126 and later. "When you write an email in classic Outlook for Windows, you may notice the CPU spikes up to 30 to 50% at some times and increases the power consumption. You can observe this if Task Manager is open while you type," the company said. "We found that the issue now occurs in Semi Annual Channel. If you urgently need to work around the issue the only option would be to revert to Version 24 ... Read full article.