Fix OneDrive Sync Unavailable After Update - Outlook PST File Locked by Windows Sharing-Fixing Outlook DNS Error: Not Connecting to Server

Updated 2026-06-14 14:40:22macos-help
Fix OneDrive Sync Unavailable After Update - Outlook PST File Locked by Windows Sharing-Fixing Outlook DNS Error: Not Connecting to Server
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.