Addressing Synchronization Problems in the New Outlook for Windows

Introduction

Synchronization issues can prevent emails, calendars, or contacts from updating across devices, disrupting workflows.

Common Causes

• Connectivity issues with Microsoft 365 servers.

• Outdated application versions.

• Cache or data corruption.

• Incorrect account settings.

Steps to Resolve the Issue

Step 1: Check Server Connectivity

• Confirm that Outlook is connected to Microsoft 365 servers by checking the status bar.
• Visit the Service Health Dashboard to verify server availability.

Step 2: Repair Account Settings

• Go to File > Account Settings > Account Settings.
• Select your account, click Repair, and follow the prompts.

Step 3: Clear the Outlook Cache

• Close Outlook and navigate to the cache folder:
  C:\Users\[Your Username]\AppData\Local\Microsoft\Outlook.
• Delete temporary cache files and restart Outlook.

Step 4: Recreate the Outlook Profile

• Open Control Panel > Mail > Profiles.
• Click Add, create a new profile, and set it as default.

Step 5: Enable Cached Exchange Mode

• In Account Settings, enable Cached Exchange Mode to improve offline performance and sync reliability.

Conclusion

For persistent sync issues, Raise a Ticket for Support.