How to Configure Microsoft Bookings to Check Two Calendars
Question details
The user needs Microsoft Bookings to check availability in both the Bookings calendar and their personal calendar before allowing appointments to be booked.

- Product
- Microsoft Bookings
- Device & OS
- not provided
- Scenario
- Setting up appointment scheduling rules to ensure business bookings do not overlap with personal events.
- Observed behavior
- Appointments need to be restricted to time slots where both the dedicated Bookings calendar and the user's personal calendar show as free.
Ensure you are logged into Microsoft 365 with the necessary permissions to manage Microsoft Bookings and that your personal calendar is active.
Synchronize Bookings with Your Personal Calendar
Enable the calendar sync feature in Microsoft Bookings settings to prevent overlapping appointments by verifying availability across both calendars.
By default, Microsoft Bookings only checks its own dedicated calendar. To prevent scheduling conflicts with your other commitments, you must link it to your personal calendar.
Log into your Microsoft 365 account, launch the Microsoft Bookings app, and navigate to your specific booking page.
Click on 'Settings' in the left-hand navigation menu, then select the 'Calendar sync' option.
Check the option to synchronize the Bookings calendar with a personal calendar.
From the dropdown or selection menu, choose the specific personal calendar you want Bookings to check for conflicts.
Click the 'Save' button to apply your new synchronization settings.

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Frequently Asked Questions
Why is Microsoft Bookings allowing appointments during my personal meetings?
This happens if Bookings is only checking its own calendar. You need to enable the setting for personal events to affect your availability under Settings > Calendar sync or within your Staff profile settings.
Will customers see the details of my personal calendar events?
No. When your personal calendar is synced with Microsoft Bookings, customers will only see those time slots as 'unavailable'. The titles and details of your personal events remain completely private.
Can I sync calendars from outside of Microsoft 365, like Google Calendar?
Natively, Microsoft Bookings is designed to sync with your Microsoft 365 personal calendar. To block time based on a Google Calendar, you would first need to sync or subscribe to your Google Calendar within Outlook so that those events affect your Outlook availability.




