
Outlook High CPU Usage: Troubleshooting Checklist
If Outlook is using 30% or more CPU for extended periods, your system slows down and battery drai...

If Outlook is using 30% or more CPU for extended periods, your system slows down and battery drai...

You see a OneDrive sync error that says "file in use" or "the file is open in another program." T...

If Windows Update fails to run automatically, you might see errors like "Service not running" or ...

If you see "We can't activate Windows on this device because of a proxy error" or similar, your s...

If you see an error like "The connection to Microsoft Exchange is unavailable. Outlook is using p...

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...