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How to Change a Customer Email in Microsoft Bookings

Maira Mehtab Sep 28, 2026 869 views

Question details

The user needs to know how to add or change a customer's email address for an existing appointment in Microsoft Bookings.

Product: Microsoft Bookings
Device & OS: not provided
Scenario: A customer's contact information has changed, or was entered incorrectly, after a booking was already scheduled.
Observed behavior: The user wants the updated email address to accurately reflect in the customer's profile and the specific existing appointment.

Before you start

Ensure you have the necessary staff or administrative permissions in Microsoft Bookings to edit customer profiles and modify existing appointments on the calendar.

Solution 1Recommended

Update Customer Profile and Apply to Existing Booking

Use this method to update the customer's global contact information in your directory and manually apply the new email to their already scheduled appointment.

Microsoft Bookings does not automatically retroactively apply global customer profile changes to appointments that have already been created. You must first update the directory, then update the specific calendar event.

Navigate to the Customers List

Open Microsoft Bookings, go to your booking page, and select 'Customers' from the left-hand navigation menu.

Edit Customer Details

Choose the specific customer from the list and select 'Edit customer'. Update or add the new email address in the contact details, then select 'Save changes'.

Update the Existing Appointment

Navigate to the Bookings calendar and open the existing appointment for this customer. Under 'Customer Information', select the newly updated email address from the dropdown or list, and choose 'Update booking' to finalize.

Notification Update: Clicking 'Update booking' will typically trigger a new confirmation email to be sent to the customer's updated email address, ensuring they have the latest appointment details.

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Frequently Asked Questions

Why didn't the email update automatically in the existing appointment?

Microsoft Bookings captures and saves the customer's information exactly as it was at the time of booking. Updating the customer's profile in the 'Customers' tab only applies to future bookings until you manually open the existing appointment and select the new email.

Can I change a customer's email directly on the calendar appointment?

While you can edit certain details inside the calendar event, it is highly recommended to edit the profile via the 'Customers' tab first. This ensures the correct email is saved in your directory for all future interactions and bookings.

Will the customer receive a notification when I update their email address?

Yes, if your Bookings page is configured to send notifications, selecting 'Update booking' on the calendar event after changing the email address will trigger an updated calendar invite and confirmation to the new email address.

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