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Fix Outlook Data File Sync Error: Cannot Access - Fix Microsoft Store Authentication Fails Due to Proxy-Microsoft Store Connection Issue Fix

Updated 2026-06-14 06:22:31developer-tools
Fix Outlook Data File Sync Error: Cannot Access - Fix Microsoft Store Authentication Fails Due to Proxy-Microsoft Store Connection Issue Fix
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.