Let’s start fresh with your Microsoft Office Home & Business 2021 Bind Key activation. Follow these steps carefully to ensure a smooth process:

Preparation:

• Uninstall Existing Office: Remove any previous Office versions from your computer. Right-click on an empty space on your desktop, choose “Personalize,” select “Theme,” navigate to “Desktop icon settings,” and enable “View desktop icons.” Then, open Control Panel, go to “Programs,” and select “Uninstall a program.” Locate and uninstall all Microsoft Office versions.
• Open Setup Page: Launch your web browser and navigate to setup.office.com.

Activation and Installation:

1. Sign in/Create Account: Open a computer browser: setup.office.com, If you already have a Microsoft account, enter your login credentials. Otherwise, follow the on-screen instructions to create a new account.
2. Enter Activation Key: On the “Enter Activation Code” page, carefully type in your Microsoft Office Home & Business 2021 Bind Key without hyphens. Wait for the activation process to complete.
3. Choose Language and Region: Select your preferred country/region and language, such as English.
4. Install: Click “Next” and then “Install” on the subscription and service bar. This will download the Office suite.
5. Complete Installation: Once the download is finished, click “Install” again to begin the installation process.
6. Sign in to Office: After installation, open any Office application (e.g., Word, Excel, PowerPoint). Click the “Login” button in the upper right corner and enter the Microsoft account you used in step 2. This will complete the activation and bind your Office installation to your account.

Install Microsoft Office Home & Business 2021 for MAC video guide

Important Notes:

• Ensure you uninstall all previous Office versions before proceeding.
• Pay close attention when entering your activation key and avoid typos.
• Choose the correct country/region and language settings.
• Sign in with the same Microsoft account you used during activation.

How To Uninstall Microsoft 365 From Mac Completely

Properly uninstalling Microsoft 365 on Mac OS requires you to remove the applications as well as the configuration files.

• ⚡️Step 1: Uninstall the Microsoft 365 Applications from the finder.
• ⚡️Step 2: Remove these folders 📁 from ~/Library/Containers if they exits.
• ⚡️Step 3: Remove these folders 📁 from ~/Library/Group Containers if they exits.

Uninstall Microsoft Autoupdate on Mac

This is the most common issue faced by the lot of Mac users in the past, but now this can be resolved.

How to uninstall Microsoft Auto update from your Apple computer. Your Microsoft applications (like Edge, Word, Excel, Power point, etc.) will still work without Microsoft Auto-update but will no longer receive updates.

Copy and paste the following directory: /Library/Application Support/Microsoft/MAU2.0

Enjoy your newly activated Microsoft Office Home & Business 2021!

This guide can be useful to install other version of Microsoft Office Home and Business 2019 or Microsoft office Home and Business 2016.