How to fully or partially upgrade a Microsoft 365 subscription.
This tutorial explains how to upgrade a subscription.
Upgrading means moving licenses from an existing subscription to an eligible higher plan. You can upgrade all licenses in a subscription or only a selected number of licenses.
Depending on your upgrade, the licenses can be transferred to a new or existing subscription.
Ensure that the subscription you want to upgrade and its corresponding agreement are active.
Open the subscription
To open the subscription:
Go to Marketplace > Subscriptions.
Select the subscription you want to upgrade.
On the subscription details page, select the dropdown arrow , then select Upgrade.
Complete the Upgrade subscription flow
In the guided Upgrade subscription flow, complete the following steps:
Upgrade to – Select the required product and term you want to upgrade to. Then:
Review the Subscription, New qty, and Delta columns. The Subscription
Your change order is submitted for processing. When the order is complete, the selected licenses are upgraded according to the upgrade option you chose.
To perform a full upgrade, leave the default quantity unchanged. All licenses in the source subscription are selected for transfer.
To perform a partial upgrade, adjust the license quantity as needed. If the licenses are transferred to an existing subscription, enter the final number of licenses that the target subscription should have after the upgrade. This includes its existing licenses plus the licenses being transferred.
Details – Add any reference details or comments, then select Next.
Review – Review the order details and terms and conditions, then select Place order.
Summary – Select View details to open the order details page or select Close.

