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How to Assign a Microsoft 365 License Without an Exchange Online Mailbox
Question details
The user needs to assign a Microsoft 365 license to grant access to applications without automatically generating an Exchange Online mailbox.
- Product
- Microsoft 365
- Device & OS
- not provided
- Scenario
- An administrator wants to provide users with Microsoft Office applications for their daily work but needs to restrict or bypass email service creation.
- Observed behavior
- Assigning a standard Microsoft 365 license automatically provisions an Exchange Online mailbox unless the specific email service plan is disabled during assignment.
Ensure you have global administrator or user management administrator privileges in the Microsoft 365 admin center before attempting to modify user licenses.
Disable the Exchange Online Service Plan During Assignment
Manually uncheck the Exchange Online app within the license details to prevent mailbox creation.
By customizing the apps included in the license assignment, you can grant access to essential desktop and web apps like Word and Excel without enabling email services. Note that some advanced add-ons require Exchange Online to function.
Log in to the Microsoft 365 admin center. On the left navigation pane, expand 'Users' and click on 'Active users'.
Find and click on the name of the user to whom you want to assign the Microsoft 365 license. This will open their account properties pane on the right.
In the user's properties pane, click on the 'Licenses and apps' tab at the top.
Scroll down and expand the 'Apps' section under the license you are assigning. Locate the checkbox for 'Exchange Online (Plan 1)' or 'Exchange Online (Plan 2)' and clear it.
Click the 'Save changes' button at the bottom of the pane to apply the license without generating an email inbox.
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- 1. Download WPS Office: Visit the official WPS Office website and download the free installer for your operating system.
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Frequently Asked Questions
Can I remove a Microsoft 365 mailbox without losing the user's license?
Yes. You can remove the mailbox by unchecking the Exchange Online service plan in the user's license settings. This keeps their access to other Office apps intact while disabling the email service.
Why is the Exchange Online checkbox grayed out in the admin center?
The checkbox may be grayed out if another service you are assigning requires Exchange Online as a prerequisite. You must uncheck the dependent service (e.g., MyAnalytics) before you can disable Exchange Online.
Does removing Exchange Online delete the user's existing emails?
Yes. If you remove the Exchange Online license from an active user, their mailbox and its contents will be marked for deletion and permanently removed after 30 days. Be sure to back up any necessary data beforehand.
Can users still use the Outlook desktop app if I disable Exchange Online?
Users can still open the Outlook desktop application if it is included in their Microsoft 365 Apps license, but they will not be able to connect to a Microsoft 365 Exchange email account. They can only use it to connect to third-party email providers via IMAP or POP.
