Microsoft’s longstanding email client, Classic Outlook, recently faced a significant usability issue that has affected many users across various update channels. A troubling bug caused the CPU usage to spike dramatically—sometimes jumping from a normal baseline to as high as 30 to 50 percent...
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The recent CPU spike issue in Classic Outlook on Windows has become a significant pain point for users and IT professionals alike, casting renewed light on Microsoft’s ongoing push for adoption of the New Outlook client. This problem, officially acknowledged by Microsoft in 2025, causes Classic...
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When Typing an Email Turns Your CPU into a Furnace: Unpacking the Latest Outlook Bug
Picture this: you’re drafting a simple email in the classic Outlook for Microsoft 365, and suddenly your computer sounds like a jet engine taking off. Your CPU usage spikes wildly, soaring to 30-50% utilization...
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