「FREE」Latest Collection of Microsoft Office 2021 Product Key in 2025

Looking for a valid and free Office 2021 product key? Wondering how to activate Microsoft Office 2021? Your search ends here! We have collected tons of free product key for Microsoft Office 2021 and today we will share them with you! Besides, there are also some insider tips to activate Office 2021 without product key that you absolutely can't miss! Without further delay, let's get started!

• Part 1. How To Activate Microsoft Office 2021 With Product Key?
• [Tutorial] Activate MS Office 2021 With Product Key
• [Collection] FREE List Of Office 2021 Product Key
• Part 2. How To Activate Office 2021 Without Product Key?
• Part 3. How To Crack Encrypted Excel/Word/PowerPoint Without Password?

Part 1. How To Activate Microsoft Office 2021 With Product Key?

Microsoft Office 2021 is a version of the Microsoft Office application for Windows and macOS operating systems. As you know, Microsoft office has a 30-day trial period, after which you will need a Microsoft office product key to activate, otherwise it will not work. It means that you have to pay for it. That's why many people are looking for free Office 2021 product key or activation code serial number. So, how to find free and valid Microsoft Office 2021 product key? And, how to activate Office 2021 with product key?

[Tutorial] Activate MS Office 2021 With Product Key

Step 1: Download Microsoft Office 2021 from Microsoft official website.

Step 2: Open one of the Office apps like Excel, Word. Click the "Sign in" button.

Step 3: Select "Activate Product".

Step 4: Click "I have a product key". Then enter the Microsoft Office 2021 activation key. Then click "Activate Office".

Step 5: After the activation, you can see a "Product Activated" message along with the Office edition on the Account page.

[Collection] FREE List Of Office 2021 Product Key

Here is the list of the latest Microsoft Office 2021 product key. You can select any one to activate Microsoft Office 2021.

Part 2. How To Activate Office 2021 Without Product Key?

If you are surprisingly so unfortunate that these Office 2021 product keys above don't work for you, then this method below will allow you to activate MS Office 2021 without a product key.

[Tutorial] Office 2021 Activation Without Product Key

Step 1: After installing MS Office 2021, run Command Prompt (CMD) as Administrator.

Step 2: Paste and enter below code to specify the Office 2021 install location.

cd /d %ProgramFiles%\Microsoft Office\Office16
cd /d %ProgramFiles(x86)%\Microsoft Office\Office16

Step 3: Use below code to covert MS Office 2021 retail license to volume license.

for /f %x in ('dir /b ..\root\Licenses16\ProPlus2021VL_KMS*.xrm-ms') do cscript ospp.vbs /inslic:"..\root\Licenses16\%x"

Step 4: Make sure your PC is connected to the internet. Then enter following command.

cscript ospp.vbs /inpkey:FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH
cscript ospp.vbs /unpkey:BTDRB >nul
cscript ospp.vbs /unpkey:KHGM9 >nul
cscript ospp.vbs /unpkey:CPQVG >nul
cscript ospp.vbs /sethst:kms8.msguide.com
cscript ospp.vbs /setprt:1688
cscript ospp.vbs /act

Done! Your office 2021 is activated!

Part 3. How To Crack Encrypted Excel/Word/PowerPoint Without Password?

Microsoft Office has a very useful feature - adding passwords to Excel, Word, PowerPoint files to encrypt them and ensure that they are not freely accessed by others, protecting file privacy and data security. Yet we have to admit how common it is to forget the password or lose it! So how to unlock Excel, Word, PowerPoint without password? You can't miss out this Office file password recovery tool - WooTechy iCrowbar.

This software is designed for Microsoft Office files. It can not only recover open password of Excel, Word, PowerPoint and even PDF, ZIP, RAR, so that you can access encrypted files even if you forget the password, but also remove editing restriction on Office files, allowing you to edit, modify and copy read-only files.

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How To Crack Excel/Word/PowerPoint Without Password?

Step 1. Download and install iCrowbar on computer. Launch it and choose the file to crack.

Step 2. Select a recovery method and click Recover to start the password recovery. (P.S: If you are not sure which model to choose, you can check the details on the official website)

Step 3. The recovered password will be displayed on the interface, now enter or copy the password to open your locked file!

Conclusion

Well, above is our collection of Microsoft Office 2021 product key and step by step tutorial on MS Office 2021 activation, you can activate your Office 2021 now! Click to get more about Microsoft 365 product key, Office 2019 product key, Office 2016 product key, Office 2013 product key. We will update the free product keys and the latest activation methods for each version of Microsoft Office regularly. Hope it will be helpful to you!

It is worth re-emphasizing that we recommend every Microsoft Office user to use this file password recovery tool iCrowbar, which can help you unlock office files quickly and also remove editing restrictions from office file with one click, allowing you to save time and improve workplace office efficiency! Just try it for free today!

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