
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 open Outlook, try to send or receive email, and get an authentication failed error. The progr...

You open the Microsoft Store and see an error about an SSL certificate being expired. The store m...

If you’ve booted into Windows Recovery Environment (WinRE) to run Command Prompt for repairs, but...

When you try to start PowerShell and see an error like 'PowerShell failed to start because of exe...

If you want to lock down Windows Defender without causing constant false alarms or breaking every...