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License & Subscription Issues

Will Moving from Microsoft 365 Business Premium to E5 Sign Users Out?

Kushani NimanthikaKushani Nimanthika Sep 28, 2026 869 views

Question details

The user wants to know if changing Microsoft 365 user licenses from Business Premium to E5 will force logouts or disrupt active sessions on mobile apps.

Will Upgrading from Microsoft 365 Business Premium to E5 Sign Users Out?
Product
Microsoft 365
Device & OS
not provided
Scenario
An administrator is planning to upgrade user subscriptions in the Microsoft 365 admin center and needs to anticipate the impact on end-users.
Observed behavior
Users should ideally experience a seamless transition to the new E5 license features without being abruptly signed out of their mobile devices or desktop clients.
Before you start

Before modifying active user licenses, ensure that you have purchased the required number of Microsoft 365 E5 licenses in your billing dashboard.

Solution 1Recommended

Perform the License Upgrade in the Admin Center

Upgrading from Business Premium to E5 is a backend process that generally does not disrupt active user sessions or sign users out of their mobile apps.

Normally, users remain signed in to their Microsoft 365 mobile apps and desktop clients when their license changes. The upgrade seamlessly affects the features and capabilities available to them, unlocking E5 tools without affecting their device sessions.

1
Access the Microsoft 365 Admin Center

Log in to the Microsoft 365 admin center using your administrator credentials and navigate to the 'Users' menu on the left sidebar, then click on 'Active users'.

2
Select Target Users

Check the boxes next to the names of the users whose licenses you want to upgrade from Business Premium to E5.

3
Manage Product Licenses

Click on 'Manage product licenses' from the top action menu. In the pane that appears, uncheck the 'Microsoft 365 Business Premium' license and check the box for the 'Microsoft 365 E5' license.

4
Save Changes

Click the 'Save changes' button. The license update will propagate in the background, and users will maintain their active login sessions on mobile devices.

Perform the License Upgrade in the Admin Center
Seamless Transition: Users will not need to reinstall their Office apps. The apps will periodically check their license status and automatically enable any new E5 features.
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Frequently Asked Questions

How long does it take for Microsoft 365 E5 features to activate after a license change?

License changes typically take effect within a few minutes. However, in some cases, it can take up to 24 hours for all E5 services and advanced features to fully propagate across all of the user's devices.

Will users lose any OneDrive data when moving from Business Premium to E5?

No. User data, including OneDrive files, Outlook emails, and SharePoint sites, remains completely intact and secure during a standard license upgrade.

What if an app still shows the old Business Premium license?

If a mobile or desktop app does not reflect the new license, the user can force a refresh by signing out of the Office app and signing back in, which immediately pulls the updated E5 subscription status.