The activation of Microsoft Office 2021 Professional Plus is a straightforward process that ensures you have access to all the features and benefits of the software. Follow this step-by-step guide to activate your Office 2021 Professional Plus:
Step 1: Purchase and install Office 2021 Professional Plus
Before you can activate Office 2021 Professional Plus, you must purchase a genuine copy and install it on your device. If you have not already done so, follow these steps:
- Purchase of Office 2021 Professional Plus: You can buy Office 2021 Professional Plus from the official Microsoft Store or from authorized resellers.
- Download the installation program: You will receive a download link after purchase. Click on the link to download the installation program.
- Perform installation: Open the downloaded file and follow the instructions on the screen to install Office 2021 Professional Plus on your device.
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Step 2: Open an Office application
Once Office is installed, you must open any Office application to start the activation process. For example, you can open Microsoft Word, Excel or PowerPoint.
- Start menu: Click on the Start menu or the search bar in your Windows taskbar.
- Search for Office application: Geben Sie den Namen einer Office-Anwendung ein, z. B. “Word” oder “Excel”, und klicken Sie auf die Anwendung, um sie zu öffnen.
Step 3: Enter product key
When you open an Office application, you will be prompted to activate it. You can activate Office with your product key, which is normally supplied with the purchase.
- Activation request: If you are prompted to do so, select "Activate" or "Enter product key".
- Enter the product key: Enter the 25-digit product key that you received with your purchase. The key looks something like this: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.
- Send key: Click on "Next" to submit the product key.
Step 4: Sign in to your Microsoft account
After entering your product key, you may be asked to sign in to your Microsoft account. This step is important to link your Office product to your account.
- Registration request: Select "Log in" when you are prompted to do so.
- Enter your login data: Enter your e-mail address and password for the Microsoft account. If you do not yet have an account, you can create one using the on-screen instructions.
- Verify your account: If necessary, follow further instructions for verification.
Step 5: Complete activation
Once you have signed in to your Microsoft account, Office will complete the activation process. This may take a moment.
- Confirmation of activation: You should see a confirmation message indicating that Office has been successfully activated.
- Use Office: You can now use all the functions and applications of Office 2021 Professional Plus.
Solving problems during activation
If you encounter problems during the activation process, you will find some troubleshooting tips here:
- Check product key: Make sure that you have entered the product key correctly. Check it for typing errors.
- Internet connection: Make sure that you have a stable Internet connection, as activation takes place online.
- Microsoft account: Check that you are signing in with the correct Microsoft account that is linked to the Office purchase.
- Contact support: If the problem persists, visit the Microsoft support website or contact customer service.
Conclusion
To make full use of Microsoft Office 2021 Professional Plus and gain access to all its powerful features, you must first activate the program. With this step-by-step guide, you can activate your Office suite quickly and easily and start working more productively straight away. Office 2021 Professional Plus offers the tools you need to be successful in your professional life, business or studies.

