Outlook Sync Issue

First reported on r/printers on June 27, 2026.

Users may experience Outlook sync issues after the upcoming Windows 11 update. This is due to a known issue with the Outlook add-in causing compatibility problems.

What it looks like

• Outlook not syncing
• Outlook not updating

How to fix it

1. Disable any recently installed Outlook add-ins.
2. Update Outlook to the latest version.
3. Restart the Outlook application.
4. Check your Outlook account settings for any issues.
5. Contact Microsoft support if the issue persists.

Affected products

• Outlook

Sources

• Label Printer w/ RFID Capability — reddit:r/printers

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Search terms covered: outlook not syncing, outlook not updating