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Home / developer-tools / Fix 'Outlook Data File Cannot Be Accessed' – Grant Access - How to Run Windows Defender Offline Scan When It Fails-Microsoft Store 0x80073cf0 Troubleshooting Guide

Fix 'Outlook Data File Cannot Be Accessed' – Grant Access - How to Run Windows Defender Offline Scan When It Fails-Microsoft Store 0x80073cf0 Troubleshooting Guide

2026-06-13 18:12:42
Fix 'Outlook Data File Cannot Be Accessed' – Grant Access - How to Run Windows Defender Offline Scan When It Fails-Microsoft Store 0x80073cf0 Troubleshooting Guide

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.