Insightly Calendar Sync Not Working
Quick answer
Insightly calendar sync breaks when the Google or Microsoft connection expires. Reconnect the calendar and check the sync direction.
Most likely fix: Reconnect
How to fix it
Try these in order — the most common fix is first.
1. Reconnect
- Open User Settings > Calendar
- Disconnect and connect again
- Select the correct calendar
Did this fix it?2. Check time zone
- Confirm the time zone in Insightly matches your calendar
Did this fix it?
Symptoms
Events missing or duplicated between Insightly and your calendar.
Why it happens
- Expired calendar authorization
- Sync set to the wrong calendar
- Duplicate connections
- Time zone mismatch
This guide also covers
- insightly calendar sync not working
- insightly google calendar
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