Verwalten Ihres Microsoft 365-Abonnements oder Office-Produkts (2024)

FAQs

Do I need a product key for Microsoft 365? ›

You'll receive a product key if you buy a one-time purchase Office or individual Office apps, but you won't need or receive a product key for Microsoft 365.

This can happen if you don't uninstall the pre-installed version of Office on your new PC before installing a volume license version of Office. To stop the prompts for activation, make sure your Office uses volume licensing and then update the registry.

You activate Microsoft 365 by signing in with a Microsoft account. If we detect your Microsoft account, we'll show it on this screen. After you sign in, your product is added to your Microsoft account, so that you can reinstall it later, or manage your new subscription, without a product key.

Click Settings, and then under My app settings, choose Office 365. On the My account page, choose Subscriptions. You'll see the services that you're licensed to use, such as the latest desktop version of Microsoft 365, SharePoint in Microsoft 365 or OneDrive for work or school, and Exchange Online.

With the free Office apps on your mobile device, you can do some core tasks like viewing, creating, and editing files. However, you will need a qualifying Microsoft 365 subscription if: Your mobile device is larger than 10.1”.

There is no such thing as free Windows product keys, the keys you find online are generic keys that are used to switch versions of Windows and they cannot be used to activate Windows.

Instead, for Microsoft 365, Office 2021, Office 2019 and Office 2016, you can view the Microsoft account that Office belongs to. This account takes the place of your product key and can be used to reinstall Office from the Microsoft account, Services & subscriptions page and to activate Office.

Restart any Office app and the message should be gone. If this is a constant issue, reset your credentials: Open Spotlight by selecting the magnifying glass at the top right of your desktop. Search for and open Keychain. Type in Office and then delete the data license file.

Enter your Microsoft account credentials (email and password) or create a new Microsoft account if you don't have one. After signing in, Microsoft Office will attempt to activate automatically using your Microsoft account. If successful, you'll see a confirmation message, and Office will be activated.

Can I activate Office 365 without a Microsoft account? ›

Microsoft typically requires a Microsoft account for activation.

Yes, it is possible to use Microsoft Office without any activation or license key. However, there are some limitations and drawbacks to doing so. One way to use Microsoft Office without activation is to download and install the free trial version.

With a Microsoft 365 Personal or Family subscription, you'll always have the most up-to-date modern productivity tools from Microsoft all with the latest features, fixes, and security updates.

After a user is assigned a license, you can deploy Office to your users or your users can install Office directly from the Office 365 portal. If the user isn't assigned a license, they can't install Office from the Office 365 portal.

When you install Office on a device, you'll be prompted to sign in the first time you start an Office app. Office remains activated as long as you're signed in. If you sign out, your account's license is removed and the app is deactivated. You can view and print files, but not create or edit files.