Outlook Not Downloading Emails on Windows 10: Practical Fixes - BitLocker Module Error Troubleshooting Guide-Troubleshoot Outlook Version Mismatch with Exchange 2019
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.