How to Resolve “Outlook Not Responding” or Freezing Issues

Introduction

Outlook freezing can be frustrating, especially during critical tasks.

Common Causes

• Large PST/OST files
• Conflicting add-ins
• Outdated software
• Corrupt data files

Steps to Resolve the Issue

1. Restart Outlook in Safe Mode
   • Press Win + R, type outlook.exe /safe, and press Enter.
2. Disable Unnecessary Add-ins
   • Go to File > Options > Add-ins > Manage COM Add-ins > Disable unnecessary add-ins.
3. Repair PST/OST Files
   • Use the Inbox Repair Tool (SCANPST.exe) to fix corrupt files.
4. Update Outlook and Windows
   • Check for updates under File > Office Account > Update Options.

Conclusion

If freezing continues, creating a new Outlook profile may resolve the issue.