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How do I activate Office with product key from office.com?Updated 8 days ago

Activate Microsoft Office using your product key at office.com/setup to unlock full access to Office apps like Word, Excel, and PowerPoint.

Activating Office with a product key is simple through Office.com/setup. Just sign in with your Microsoft account, enter your product key, and follow the prompts to complete activation.

How do I activate Office with product key from office.com? 

  • Go to office.com/setup in your browser.
  • Sign in with your Microsoft account, or create one if needed.
  • Enter your 25-character product key (format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX).
  • Click “Next” to redeem the product key.
  • Select your country and language, then confirm.
  • Product key is now linked to your Microsoft account.
  • Click “Install” if you need to download the Office apps.
  • Run the installer and complete the installation.
  • Open any Office application (like Word or Excel).
  • Sign in with your Microsoft account to complete the activation.

Troubleshooting Common Issues During Setup

  • Invalid Product Key: Double-check your key for typos or ensure it hasn’t already been used.
  • Installation Error: Restart your device and ensure you have a stable internet connection before retrying.
  • Compatibility Issues: Verify that your device meets the system requirements for the Office version you’re installing.
  • Activation Issues: Ensure you’re signed in to the Microsoft account linked to your subscription.
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