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Microsoft warns of Outlook Classic bug that can crank CPU use up to 50% when typing | The company recommends switching update channels as a band-aid solution.
The company recommends switching update channels as a band-aid solution.
Notably, reports of this incident can be traced back to November last year, and even now, users have been asked to switch to the Microsoft 365 Apps update channel as a temporary workaround. After around six months since the first sighting, Microsoft is finally addressing an issue in Outlook (Classic), which led to increased CPU usage, visible slowdowns, and even freezes whenever you'd sit down to compose an email or type a message. The developer team was able to reproduce this bug on updating to Microsoft 365 Apps Version 2406 Build 17726.20126+, which was released in June 2024, on the Current, Monthly Enterprise, and Insider Channels.
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