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Overview of activation for Office for Mac

Applies to: Microsoft 365 for Mac, Office Long Term Service Channel (LTSC) for Mac 2024, LTSC for Mac 2021

To use Office for Mac in your organization, it needs to be activated. How you activate Office for Mac depends on whether your organization has a Microsoft 365 plan or has a volume license agreement. But in both cases your users won't have to enter any product keys.

Note

If you're an Office user trying to activate a personal copy of Office for Mac, follow these instructions instead of reading this article.

Activate Microsoft 365 for Mac

If your organization has a Microsoft 365 plan, make sure you assign each user a license for Office before you deploy Office to your Mac users. If you don't assign a user a license, you can still deploy Office to that user, but the user won't be able to activate and use Office on their Mac.

Microsoft 365 for Mac activates by contacting the Office Licensing Service on the internet. The Office Licensing Service keeps track of which users are licensed and how many devices they've installed Office on.

After you deploy Office, your users are prompted to activate Office the first time they use it. Make sure users are connected to the internet when they activate Office. On the Sign in to Activate Office screen, users should select Sign In, and then enter their email address and password.

While you can deploy Office for your Mac users, your users need to sign in and activate Office for themselves. That's to ensure that the Office Licensing Service properly associates Office with the correct licensed user.

The device must be connected to the internet to contact the Office Licensing Service. If the device can't contact the Office Licensing Service after nine days, the user sees a warning message when working in an app.

If the device can't contact the Office Licensing Service after 30 days, Office goes into reduced functionality mode. This means that the user can open, view, and print existing documents in an Office app, but can't create or edit documents. The user also sees a message in the app that most features aren't available. After the user connects to the internet and the subscription status is verified, all the features of Office are available again.

For each user that you've assigned a license to, you can deploy and activate Office on up to ten Mac devices for the user. If you need to provide Office on an eleventh Mac for a user, you need to deactivate an existing installation first. Deactivating an installation doesn't remove Office from the device. Instead, the installation goes into reduced functionality mode.

Your users can manage their existing Office installations by signing into https://www.office.com with their work or school account. From there, they can choose View account > Office apps > Apps & devices. Or, if you're a Microsoft 365 administrator, you can deactivate an Office installation for a user. To do that, sign into the Microsoft 365 admin center, and then go to Users > Active users. Select the user, then select Account on the flyout pane, and under Office activations, choose View Office activations.

Activate volume licensed versions of Office for Mac

To activate a volume licensed version of Office for Mac, such as Office LTSC for Mac 2024 or Office LTSC for Mac 2021, use the Volume License (VL) Serializer. Sign into the Microsoft 365 admin center. Go to > Billing > Your products > Volume licensing > Download and keys and download the VL Serializer. Run the VL Serializer on each device. By doing this, your Mac users won't see any activation prompts when they first open their copy of Office.

For more information, see Overview of the Volume License (VL) Serializer.