Free Microsoft Office Product Keys 2026: Updated List

free Microsoft Office product keys 2026

Looking for free Microsoft Office product keys for Office 2024, Office 2021, Office 2019, or Office 2016?

There are many 25-character Office keys published online, but not every key serves the same purpose. Some are Microsoft’s official Generic Volume License Keys, also called GVLKs, while others may be old, incorrectly labelled, or intended for a completely different Office edition.

In this updated 2026 list, we focus on Microsoft-published Office GVLKs and explain what they actually do, why they may install but not permanently activate Office on a normal home PC, and when you need a genuine Office license instead.

Microsoft states that volume-licensed versions of Office use GVLKs to connect to an organization’s KMS host or Active Directory activation infrastructure. The key itself is not a free retail Office license.

Free Microsoft Office Product Keys for 2026

Before using any of the keys below, check exactly which Office version and edition you have installed.

An Office 2024 key will not normally configure Office 2021, and a key for Professional Plus should not be treated as interchangeable with Standard, Project, Visio, or a retail Home edition.

These are the official Microsoft GVLKs currently documented for supported and legacy volume-license editions.

Microsoft Office 2024 2021 2019 product keys
Different Office generations use different product keys and licensing methods.

Free Office 2024 Product Keys

Office LTSC 2024 is Microsoft’s current perpetual volume-license Office generation.

Microsoft publishes the following GVLKs for Office LTSC 2024 products:

Office 2024 ProductMicrosoft GVLK
Office LTSC Professional Plus 2024XJ2XN-FW8RK-P4HMP-DKDBV-GCVGB
Office LTSC Standard 2024V28N4-JG22K-W66P8-VTMGK-H6HGR
Project Professional 2024FQQ23-N4YCY-73HQ3-FM9WC-76HF4
Project Standard 2024PD3TT-NTHQQ-VC7CY-MFXK3-G87F8
Visio LTSC Professional 2024B7TN8-FJ8V3-7QYCP-HQPMV-YY89G
Visio LTSC Standard 2024JMMVY-XFNQC-KK4HK-9H7R3-WQQTV
Access LTSC 202482FTR-NCHR7-W3944-MGRHM-JMCWD
Excel LTSC 2024F4DYN-89BP2-WQTWJ-GR8YC-CKGJG
Outlook LTSC 2024D2F8D-N3Q3B-J28PV-X27HD-RJWB9
PowerPoint LTSC 2024CW94N-K6GJH-9CTXY-MG2VC-FYCWP
Skype for Business LTSC 20244NKHF-9HBQF-Q3B6C-7YV34-F64P3
Word LTSC 2024MQ84N-7VYDM-FXV7C-6K7CC-VFW9J

Is the Office 2024 Professional Plus key a free activation key?

No.

For example:

XJ2XN-FW8RK-P4HMP-DKDBV-GCVGB

is Microsoft’s official GVLK for Office LTSC Professional Plus 2024.

It tells a volume-license installation which Office product it should use, but permanent activation still requires a properly licensed KMS or Active Directory-based activation environment.

Microsoft specifically warns that these GVLKs cannot activate a personal copy of Office at home.

Free Office 2021 Product Keys

The following are Microsoft’s official GVLKs for Office LTSC 2021 products:

Office 2021 ProductMicrosoft GVLK
Office LTSC Professional Plus 2021FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH
Office LTSC Standard 2021KDX7X-BNVR8-TXXGX-4Q7Y8-78VT3
Project Professional 2021FTNWT-C6WBT-8HMGF-K9PRX-QV9H8
Project Standard 2021J2JDC-NJCYY-9RGQ4-YXWMH-T3D4T
Visio LTSC Professional 2021KNH8D-FGHT4-T8RK3-CTDYJ-K2HT4
Visio LTSC Standard 2021MJVNY-BYWPY-CWV6J-2RKRT-4M8QG
Access LTSC 2021WM8YG-YNGDD-4JHDC-PG3F4-FC4T4
Excel LTSC 2021NWG3X-87C9K-TC7YY-BC2G7-G6RVC
Outlook LTSC 2021C9FM6-3N72F-HFJXB-TM3V9-T86R9
PowerPoint LTSC 2021TY7XF-NFRBR-KJ44C-G83KF-GX27K
Publisher LTSC 20212MW9D-N4BXM-9VBPG-Q7W6M-KFBGQ
Skype for Business LTSC 2021HWCXN-K3WBT-WJBKY-R8BD9-XK29P
Word LTSC 2021TN8H9-M34D3-Y64V9-TR72V-X79KV

Important: Office 2021 has reached end of support

As of October 2026, Office LTSC 2021 has reached the end of its Microsoft support lifecycle.

Microsoft says Office LTSC 2021 reached end of support on October 13, 2026. After that date, Microsoft no longer provides normal technical support, bug fixes, or security updates for the product.

That does not mean Office 2021 immediately stops opening.

However, for a new installation in 2026, a supported release such as Office 2024 is generally the more sensible long-term option.

Free Office 2019 Product Keys

Microsoft also publishes official GVLKs for Office 2019:

Office 2019 ProductMicrosoft GVLK
Office Professional Plus 2019NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP
Office Standard 20196NWWJ-YQWMR-QKGCB-6TMB3-9D9HK
Project Professional 2019B4NPR-3FKK7-T2MBV-FRQ4W-PKD2B
Project Standard 2019C4F7P-NCP8C-6CQPT-MQHV9-JXD2M
Visio Professional 20199BGNQ-K37YR-RQHF2-38RQ3-7VCBB
Visio Standard 20197TQNQ-K3YQQ-3PFH7-CCPPM-X4VQ2
Access 20199N9PT-27V4Y-VJ2PD-YXFMF-YTFQT
Excel 2019TMJWT-YYNMB-3BKTF-644FC-RVXBD
Outlook 20197HD7K-N4PVK-BHBCQ-YWQRW-XW4VK
PowerPoint 2019RRNCX-C64HY-W2MM7-MCH9G-TJHMQ
Publisher 2019G2KWX-3NW6P-PY93R-JXK2T-C9Y9V
Skype for Business 2019NCJ33-JHBBY-HTK98-MYCV8-HMKHJ
Word 2019PBX3G-NWMT6-Q7XBW-PYJGG-WXD33

Office 2019 reached end of support on October 14, 2025, so it should be considered a legacy release rather than a recommended choice for a new internet-connected PC.

Free Office 2016 Product Keys

For older Office 2016 volume-license installations, Microsoft documents these GVLKs:

Office 2016 ProductMicrosoft GVLK
Office Professional Plus 2016XQNVK-8JYDB-WJ9W3-YJ8YR-WFG99
Office Standard 2016JNRGM-WHDWX-FJJG3-K47QV-DRTFM
Project Professional 2016YG9NW-3K39V-2T3HJ-93F3Q-G83KT
Project Standard 2016GNFHQ-F6YQM-KQDGJ-327XX-KQBVC
Visio Professional 2016PD3PC-RHNGV-FXJ29-8JK7D-RJRJK
Visio Standard 20167WHWN-4T7MP-G96JF-G33KR-W8GF4
Access 2016GNH9Y-D2J4T-FJHGG-QRVH7-QPFDW
Excel 20169C2PK-NWTVB-JMPW8-BFT28-7FTBF
OneNote 2016DR92N-9HTF2-97XKM-XW2WJ-XW3J6
Outlook 2016R69KK-NTPKF-7M3Q4-QYBHW-6MT9B
PowerPoint 2016J7MQP-HNJ4Y-WJ7YM-PFYGF-BY6C6
Publisher 2016F47MM-N3XJP-TQXJ9-BP99D-8K837
Skype for Business 2016869NQ-FJ69K-466HW-QYCP2-DDBV6
Word 2016WXY84-JN2Q9-RBCCQ-3Q3J3-3PFJ6

Office 2016 also reached end of support on October 14, 2025.

The public keys listed above are intended for Microsoft volume-activation environments. If you need Office permanently activated on your own PC without an organization’s KMS infrastructure, choose a genuine Office license that matches the version and edition you install.

Want Microsoft Office Activated? Get a Genuine Key:

Using a Mac? Choose a Mac-compatible Office license:

What Are These Free Microsoft Office Product Keys?

The keys above are called Generic Volume License Keys, or GVLKs.

They are mainly intended for businesses, schools, government organizations, and other customers using Microsoft’s volume-licensing technologies.

A typical setup works like this:

The organization owns the required Microsoft volume licenses.

Office is installed as a volume-license edition.

The correct GVLK identifies the Office product.

The PC contacts the organization’s KMS host or Active Directory.

Office activates through that licensed environment.

Microsoft says Office LTSC 2024 and other volume-license editions are installed with GVLKs so they can automatically discover the organization’s activation service.

The important part is that the GVLK is not the purchased license itself.

Why Don’t These Free Office Keys Activate Office?

This is the part that causes the most confusion.

A user may enter a public Office key and see that Office accepts it, yet activation still fails.

That happens because the key may have successfully configured Office for KMS activation.

The PC then tries to locate an authorized organizational KMS service.

If you are using Office on a personal home computer and are not connected to such an environment, there is nothing for Office to activate against.

That is why Microsoft says its published GVLKs cannot activate a personal copy of Office at home.

Entering another random GVLK usually does not fix the underlying problem.

Office GVLK vs Genuine Retail Product Key

Although both may look like:

XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

they are not necessarily the same type of license.

Key TypePurposeNormal Home Activation
GVLKKMS / Active Directory volume activationNo
Retail Office keyPurchased individual Office licenseYes, when valid for that edition
Microsoft 365 subscriptionAccount-based subscription activationYes, while subscription remains active

A genuine retail Office license is intended for the purchased edition and activation method.

A GVLK is intended to configure a volume installation.

Microsoft Office GVLK vs retail product key
A Microsoft GVLK is designed for organizational activation, while a retail key represents an individual purchased license.

What About Free Microsoft 365 or Office 365 Product Keys?

Microsoft 365 works differently from perpetual Office releases.

For most users, Microsoft 365 activation is associated with the Microsoft account that owns the subscription.

Microsoft says your account takes the place of the product key for many tasks, including activation and reinstallation.

If you purchase a new unused Microsoft 365 product-key card, you can redeem the key through Microsoft’s setup process. Once it is associated with your Microsoft account, you generally activate the applications by signing in.

There is therefore no universal public Microsoft 365 key that gives everyone a permanent free subscription.

If a website promises an unlimited Microsoft 365 subscription from one generic public key, treat that claim cautiously.

Where Do You Enter a Genuine Office Product Key?

If you have purchased a new and unused Microsoft Office or Microsoft 365 product key, use Microsoft’s official setup process.

Microsoft instructs users with a new unused key to redeem it through its Microsoft 365 setup page and follow the prompts to associate the product with a Microsoft account.

Once linked, that account can often be used later to reinstall and activate Office.

This is much easier than trying to remember or recover the original 25-character code.

Can You View Your Full Office Product Key Later?

Usually not.

Microsoft says Office does not display the entire product key inside the applications for security reasons.

Instead, open:

Word or Excel → File → Account

and look for the account shown under the product information.

For many Office 2021, Office 2019, Office 2016, and Microsoft 365 installations, the associated Microsoft account can be used to reinstall and activate the software.

Why Does Office Say “Unlicensed Product”?

If Office displays:

Unlicensed Product

it means the installed applications have not completed a valid activation.

Possible causes include:

  • You installed the wrong Office edition.
  • A product key does not match the installed version.
  • Your Microsoft 365 subscription expired.
  • You are signed in with the wrong Microsoft account.
  • A KMS-configured Office installation cannot find its organization’s activation server.
  • An old Office license is still interfering with the new installation.

Start by opening:

File → Account

and check the exact product name and account shown there.

Do not simply keep trying random keys from the internet.

Microsoft Office product key activation
The Office version, installed edition, product key, and activation method all need to match.

Should You Use Public KMS Servers?

No.

Microsoft publishes the GVLKs because legitimate organizations need them for their own licensed activation infrastructure.

That does not mean random public KMS servers found online are an official Microsoft activation method.

Connecting your PC to an unknown third-party activation server can introduce security, privacy, reliability, and licensing concerns.

If you are a normal home user, use the activation method that came with your genuine Office purchase.

Final Thoughts

There are legitimate free Microsoft Office product keys available online, but it is important to understand what they actually are.

The official keys in this article are Microsoft GVLKs for volume-licensed editions of Office 2024, Office 2021, Office 2019, and Office 2016.

They are useful in correctly licensed organizational KMS and Active Directory environments, but they do not provide a personal PC with a free permanent retail Office license.

For a home or personal computer, use the Office license and activation method that matches the product you purchased.

If you want a current perpetual Office release for Word, Excel, PowerPoint, and other desktop applications, browse our Office keys and choose the license that best fits your PC.

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