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Free Microsoft Office 2021 Product Key (100% Working)-June 2024 update

Microsoft Office 2021 Product Key

Are you looking for a Microsoft Office 2021 product key free? You are in the perfect place! This article will provide you with free product keys that are valid and 100% effective to activate your Office Suite. 

Microsoft Office is the foremost effective Suite for students, business, and home users. If you have Microsoft Office 2021, you will get world-famous Office applications like Word, Excel, PowerPoint, Publisher, OneNote, Outlook, and more prolific business apps. To enjoy these efficient applications and their benefits, you should have a 25-digit product license key to activate this Office Suite. If you haven’t license keys, then get the legitimate Microsoft Office 2021 license keys free of cost from this post and enjoy the benefits of lifetime activation.

Why Do You Need a Microsoft Office 2021 Product Key?

Regarding Microsoft Office 2021, you have new features compared to the previous Office version. This new Office Suite includes top-notch security while updating the existing features. Let’s proceed to the benefits of Microsoft Office’s latest version:

Co-authoring Document: The new Office includes a co-authoring feature to increase the productivity of work. This feature helps you to work with multiple colleagues consecutively, and it allows comments and suggestions to other documents for creating an effective result for business or personal usage.

Real-Time Collaboration: This aspect assists you in identifying the person whom you have allowed in your documents. You can also view your colleague’s position in the sheet, and if any changes they made, you will be notified automatically. Make comments to your co-worker’s file by mentioning their name is newly added in this version.

New Functions: Various new functions are added in the latest Microsoft Office to enhance your calculative and formula-related task solution. These new functions in Excel are LET, XMATCH, XLOOKUP, and more to assist you in solving advanced functional tasks.

Dark Mode Feature: It’s a most awaited feature of Microsoft’s new version. For users who work long hours in front of the computer screen, the Dark Mode feature helps them reduce eye strain and make users comfortable with the screen. This Dark Mode feature prevents any type of harm that affects the user’s eye and accustomed to the new display.

Enhanced Security: Microsoft Office 2021 has enhanced security to protect your documents, sheets, and files from any kind of threats and attacks. Various types of security updates are enabled in Office 2021 to make your computers up-to-date.

Increase Functionality and Remove Activation Warnings: Using the product license key, you can enjoy the expanded functionality of Microsoft Office 2021. On the contrary, activating the product key removes activation warnings that show the Microsoft Office. By reading this article, you will get valid free product keys that allow access to the full functions of Office Suite and eliminate Activation warnings as well.

Benefits of Upgrade From Older Versions like Office 2016 or 2019

Upgrading to Office 2021 from older versions provides the following key- benefits:

  • Access new features – Office 2021 includes new capabilities not available in Office 2016 or 2019 like coauthoring, XLOOKUP, meeting scheduling tool, dark mode and more.
  • Get the latest security updates – Older Office versions eventually reach end of support and stop receiving security patches. Office 2021 gives you the most up-to-date protections.
  • Improved stability and performance – Optimization done in Office 2021 provides better stability and faster performance compared to aging Office 2016 or 2019.
  • User interface enhancements – Visual updates like new themes and icons, dark mode support, and ribbon tweaks that improve daily productivity.
  • Extended OS support – Office 2021 works on the latest operating systems like Windows 11 and macOS Monterey which older Office versions may not support.
  • Improved collaboration tools – Better real-time coauthoring, mentions, chat and file sharing capabilities make collaboration easier.
  • Access new online services – Office 2021 unlocks new web-based services and integrations with Microsoft 365 plans.
  • Cost-effective upgrade pricing – Microsoft offers discounted upgrade pricing for existing Office 2016/2019 users making it cost-effective.

In summary, upgrading provides immediate access to the most recent features, security enhancements, innovations and technical support at a lower price point in most cases.

Finding Genuine Product Key for Office 2021

It’s very important to find genuine product keys to avoid any types of problems related to it. There are several issues with the illegal cracked software or torrents if you don’t use the original license key. In this segment, we have included some techniques that will help you to find the genuine keys. Let’s see:

Get Keys from Secure Site: Getting product license keys from secured sites is very important to have the original keys. There are a lot of unknown sites that provide illegal cracked software, viruses, or malware, including links with the product license keys. So, this is crucial to get the genuine keys for providing better service.

Valid Ways to Get Free License Keys: Product license keys are necessary if you want to utilize the full features of a Microsoft Office Suite without any interruption. You will get the free license keys from trusted websites, online communities, and forums that are reputable for their reliable services. So, you can obtain free product keys from those credible sites. On the other hand, you can receive the original license keys at a budget-friendly price from Msckey and Softkeyworld to make your device productive for greater performance.

Verifying Authenticity of keys: Validating the authenticity of product keys is significant before using them on your computer. It’s related to the safety of a device, and you can’t ignore it for getting the right license keys. These are the ways to verify your product keys:

  • Go to the Microsoft official website and proceed to the product activation page.
  • Enter the product license key correctly into the specific field and click on the verify button.
  • Wait for the validation result, and if it’s okay, then continue using it without any concerns. Otherwise, contact the reseller or Microsoft about these issues to get a proper solution.

Recommended System Requirements for Microsoft Office 2021

Here are the minimum system requirements to install and run Microsoft Office 2021:

For Windows:

  • Windows 10 (32-bit or 64-bit)
  • 1 GHz or faster processor
  • 1 GB RAM for 32-bit or 2 GB RAM for 64-bit
  • 3.0 GB of available disk space
  • Graphics hardware acceleration requires DirectX10 graphics card

For Mac:

  • MacOS 10.14 (Mojave), 10.15 (Catalina) or 11.0 (Big Sur)
  • Intel processor
  • 4 GB RAM
  • 6 GB available disk space for installation
  • Hard disk drive (HDD) or solid state drive (SSD) recommended
  • 1024 x 768 display resolution

Additional requirements:

  • Microsoft .NET Framework 4.5 is required for some Office features
  • An internet connection is needed for product activation and some functionality
  • A Microsoft account is required to access cloud-based services
  • Touch capability requires a touch-enabled device for touch gestures

Hardware, OS and other software prerequisites must be met for Office 2021 to work correctly. Using older systems that don’t meet minimum requirements can result in performance issues.

Installing and Activating Office

Microsoft Office 2021 can be installed on both Windows and Mac devices.  You can download free Office 2021 from Microsoft’s official website, though it’s high in demand. Alternatively, you can download a free Office 2021 ISO file directly from another website and install it to activate it for further usage. Check these instructions:

The steps to install Office 2021 on a Windows PC are:

  1. Download the Office 2021 ISO from Microsoft’s official website or click here to get the ISO file directly. Avoid torrents or illegal download sites.
  2. Double click on the ISO or executable file to launch the Office installer.
  3. Accept the License Terms and click Continue. Choose Install to begin the installation process.
  4. The installer will ask to select the Office applications you want to install, such as Word, Excel, etc. Make your selections and click Install.
  5. Wait for the installation to complete. This may take several minutes based on your internet speed and computer configuration.
  6. Once finished, you can launch any Office app to start using it. Make sure to activate Office using a product key.

To install Office 2021 on a Mac, follow these steps:

  1. Get the Office for Mac installer file from Microsoft. Verify the downloader’s authenticity before running it.
  2. Double click the installer .pkg file. Click Continue and accept the license agreement.
  3. Select the disk location where you want to install Office. The default is the Applications folder.
  4. As the installation proceeds, you can choose which Office apps to install on your Mac. By default, all apps are selected.
  5. Enter administrator credentials when prompted to provide access to install Office on your Mac.
  6. After installation, eject the installer if needed. Search for Word, Excel or any Office app to start using it.
  7. Make sure to activate Office using a genuine product key to avoid reduced functionality.

The installation steps are straightforward on both Windows and Mac. Ensure you obtain Office only from official sources for security reasons.

Activating Office 2021 for your Windows PC or Mac

After installing Office 2021, you need to activate it using a genuine product key to unlock full features:

  1. Open any Office application like Word or Excel.
  2. Go to File > Account and select Product Information.

Activate product

3. Click on Change Product Key and enter your 25-character MS Office 2021 key.

Enter an office product key

4. Click Install to activate Office using the product key.

5. Office will connect to Microsoft servers to activate online automatically.

6. After successful activation, reduced functionality notifications will disappear.

7. You can now start using the full-featured Office 2021 applications.

It’s important to use a working and trusted product key to ensure smooth activation. Illegal keys may fail to activate or get your Office installation blocked by Microsoft.

Free Microsoft Office 2021 Product Keys (Updated 2024)

Here, you can see a list of free Microsoft Office 2021 product keys; use them to open your desired Windows edition.

We update this list frequently, integrating new keys to keep it up-to-date with time and provide our users with the new free keys. So, use these keys to activate your Office 2021 Suite easily:

New Microsoft Office 2021 Activation Key


Microsoft Office 2021 Product Key Free

Free Microsoft Office Home & Student 2021 Product Keys:

  • 3D7W3-3F8W6-74M6G-7J36F-8D28T
  • 2J6MP-V6247-2923R-6J292-4J3Y7
  • 9789C-73M4Y-87W6J-7Q4X3-F6Q2W
  • 2G962-9697Q-7788Q-7J4H3-3D39W
  • 3Y8D4-GVW3W-V4B9Q-3G3YQ-786F6

Microsoft Office 2021 Professional Plus Product Key:


Office 2021 Professional Plus Lifetime License Key Free:


Buy office 2021 keys here

Microsoft Office Lifetime License Benefits

A lifetime license in Microsoft Office means once you activate the product with the license, you don’t have to do it again. Even if you change your device’s hardware, there is no need to renew the license or reactivate it. Having a free Microsoft Office 2021 product key will provide you access to the full specifications of Office Suite that you won’t get if your Office doesn’t activate the license.

If you compare the price with the monthly or annual subscriptions of Microsoft Office, then using a lifetime license is far more cost-saving. This lifetime license key doesn’t have the complications of renewing; it’s one-time purchasable for lifespan use.

You can use the Office 2021 lifetime license on both the existing and new devices as well. Moving an Office license to a new device after immediate activation, you should contact Microsoft to tackle this issue.


In this post, we’ve elaborately presented the importance of using the free Microsoft Office 2021 product key and why you should need it most. On the other hand, you should buy keys from authorized or trusted sources or resellers that will ensure the genuineness of product keys. To enable better usage and activation, you should follow our post that discusses finding genuine keys. At last, check the validation of keys and try to use a verified key that is safe for use and productive for better work. That’s it for today. Have a great day.

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About Shorif (Msckey)

Shorif is a passionate writer and tech enthusiast who contributes regularly to the Msckey blog. With a background in computer science and a keen interest in emerging technologies, Shorif brings a unique perspective to complex tech topics, making them accessible to readers of all levels. When not writing, you can find Shorif tinkering with gadgets, exploring nature trails, or diving into the latest sci-fi novel

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