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Microsoft Office 2021 Product Key Activation Guide

Activating Microsoft Office 2021 with a valid product key is essential to unlock all its features and ensure you’re using a genuine version. This guide will walk you through the activation process step by step.

Where to Find Your Office 2021 Key

Your Microsoft Office 2021 product key can typically be found in one of these locations:

• Email receipt if purchased digitally
• Card or label inside the retail package
• Certificate of Authenticity (COA) sticker on your device
• Account dashboard if purchased through Microsoft Store

How to Activate Office 2021 with Your Product Key

Step 1: Install Office 2021

First, download and install Office 2021 from the official Microsoft website or using your installation media.

Step 2: Launch an Office Application

Open any Office application like Word or Excel. You’ll see an activation prompt if Office isn’t already activated.

Step 3: Enter Your Product Key

When prompted, carefully type in your 25-character Office 2021 key in the format XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.

Step 4: Complete the Activation

Follow the on-screen instructions to complete the activation process. You may need to sign in with your Microsoft account.

Troubleshooting Activation Issues

If you encounter problems activating Office 2021:

• Double-check your product key for typos
• Ensure you’re connected to the internet
• Verify the key hasn’t been used on too many devices
• Contact Microsoft Support if issues persist

Important Notes About Office 2021 Keys

Remember these key points about your Office 2021 product key:

• Each key can only be used on one computer
• Retail keys can be transferred to a new device
• OEM keys are tied to the original PC
• Volume license keys work differently for organizations

By following this guide, you should be able to successfully activate your Microsoft Office 2021 using your product key and start using all its powerful features.