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Fix OneDrive Sync Causing High CPU Usage - How to Fix Outlook Data File Access Permission Error-Reduce Outlook CPU Usage: Add-in Troubleshooting Guide

Updated 2026-06-14 05:03:34windows-fixes
Fix OneDrive Sync Causing High CPU Usage - How to Fix Outlook Data File Access Permission Error-Reduce Outlook CPU Usage: Add-in Troubleshooting Guide
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.