Calendar Problems

Fix Microsoft Bookings All-Day Booking Blocking Staff for Two Days

Muhammad Talha Sep 28, 2026 869 views

Question details

A staff member appears unavailable for two consecutive days when only an all-day booking is scheduled for a single day.

Fix Microsoft Bookings All-Day Event Blocking Staff for Two Days

Product: Microsoft Bookings
Device & OS: not provided
Scenario: Scheduling an all-day appointment or service for a specific staff member.
Observed behavior: The single all-day booking incorrectly blocks the staff member's availability for the current date and the entire following day.

Before you start

Ensure you have administrator access to the Microsoft Bookings dashboard and the affected staff member's permission to review their calendar sharing settings.

Solution 1Recommended

Verify Staff Availability and Calendar Sync Settings

Checking the individual staff settings is the most effective way to resolve unexpected calendar blocks caused by Outlook syncs or working hour configurations.

Microsoft Bookings pulls availability directly from the linked Microsoft 365 calendar. If there are discrepancies in working hours or if an Outlook event overlaps midnight due to time zone differences, it will block the next day.

Access Staff Settings

Open your Microsoft Bookings dashboard and navigate to the 'Staff' tab in the left-hand menu.

Edit the Affected Profile

Click on the affected staff member's name to open their profile details and availability settings.

Toggle Office Calendar Sync

Temporarily uncheck 'Events on Office calendar affect availability' and save. Check the booking page to see if the second day is now unblocked. If it is, the issue stems from an overlapping event in their personal Outlook calendar.

Confirm Working Hours

Scroll down to the 'Availability' section and ensure their regular working hours and available days are configured correctly for the week.

Verify Staff Availability and Calendar Sync Settings

Time Zone Check: Always verify that the staff member's Microsoft 365 account time zone matches the Bookings page time zone to prevent events from spilling over into the next day.

Solution 2

Adjust Service Buffer Times

Buffer times applied to a service can unintentionally push a schedule block into the next working day.

Solution 3

Recreate the Booking Page

If settings are correct but the glitch persists, the page's scheduling policies may be corrupted, requiring a reset.

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Frequently Asked Questions

Why does an all-day event in Bookings span across multiple days?

This usually happens due to time zone mismatches between the Bookings page and the staff member's Outlook calendar. It can also be caused by a post-appointment 'buffer time' added to the service settings that pushes the availability block into the next day.

How do I clear buffer times in Microsoft Bookings?

Navigate to the Services tab, select the specific service causing the issue, and toggle off 'Buffer time your customers can't book' or manually set the after-appointment buffer duration to 0 hours and 0 minutes.

Does syncing an Outlook calendar cause Microsoft Bookings conflicts?

Yes. If the 'Events on Office calendar affect availability' setting is enabled, an all-day event created in a personal Outlook calendar with a different time zone setting might overlap midnight, thereby blocking the entire following day in Bookings.

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