Fix Microsoft Teams Auto Start Not Working on Mac - Resolving Port Already Allocated in PowerShell and Firewall-How to Clear Outlook Cache: Complete Checklist

Updated 2026-06-14 03:26:03developer-tools
Fix Microsoft Teams Auto Start Not Working on Mac - Resolving Port Already Allocated in PowerShell and Firewall-How to Clear Outlook Cache: Complete Checklist
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.