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Release: Australia · Updated: 2026-03-12 · Official documentation · View source

Upload the add-in file Microsoft Office 365

Upload the manifest file to Microsoft Office 365. Employees can view and use the add-in from Microsoft Office 365 Outlook.

Before you begin

Note: Workplace Reservations made using Microsoft Outlook Add-in application does not support Microsoft Exchange On-Premises.

Role required: admin

Procedure

  1. Log in to the Microsoft Office 365 admin account.

  2. Select app launcher and select Admin.

  3. In the admin center, go to Settings > Services & add-ins.

  4. Select Deploy Add-in and select Next in the overview page.

  5. Select Upload custom apps.

  6. Select I have the manifest (.xml) file on this device check box.

  7. Select Choose file to select the manifest file that you have created for the add-in.

  8. Select Upload.

  9. In the Assign users section, select one of the following options to specify whom to deploy the add-in.

    • Everyone: Select this option to deploy the add-in to everyone.
    • Specific users/groups: Select this option to deploy the add-in to only selected users or user groups. Use the search option to find users or groups to whom you want to deploy the add-in.
    • Just me: Select this option to deploy the add-in only to you.
    • In the Deployment method section, select an option to specify how to deploy the add-in to users.
  10. Select Deploy.

    A green tick appears when the add-in deployment is successful. Follow the instructions provided on the page to test if the add-in deployment is successful.

    The add-in is uploaded to Microsoft Office 365. Employees can view the add-in option and make a workplace reservation while scheduling a meeting. For more information, see Create a reservation in Microsoft Outlook add-in.