What is Office LTSC 2021? Everything you need to know
04 januari 2023 

What is Office LTSC 2021? Everything you need to know

At Softtrader we receive many questions about Microsoft Office LTSC 2021. In this blog, you can read more about what Office LTSC 2021 is, what are the differences with Office 2021, support end dates and more.


Microsoft Office LTSC 2021 is the most recent version of Office for commercial and government customers. This is a perpetual license, meaning you can use it practically forever. This license is also available on both Windows and Mac, and offers the usual Office applications. LTSC stands for Long Term Servicing Channel. Also, Microsoft increased the prices with 10% in comparison to Microsoft Office LTSC 2019.


Different than the other Office 2021 packages, LTSC offers only 2 versions. The packages that are offered by Microsoft for LTSC are: Microsoft Office LTSC Professional Plus 2021 and Microsoft Office LTSC Standard 2021. With Microsoft Office LTSC Standard 2021 comes all the standard applications which are: Word, Excel, OneNote and PowerPoint. Also, Standard comes with Outlook and Publisher. Professional Plus also has these 6 applications, aswell as Access and Teams. This makes Professional Plus, logically, the most expensive version.


Microsoft Office 2021 and LTSC 2021 are mostly different in the features and functions they provide. As you can imagine, the two licenses are mostly similar with the biggest difference being Visual Refresh. This is only available in Office 2021. Additionally, the co-authorating documents feature is not included in Office LTSC 2021. This means you also cannot see which person is working in the same document as you.


The end date for the mainstream support is on October the 13th in 2026. This is for both supports: the updates and the security. This means that after this day, your license and applications will not be receiving any updates including security updates. It is important to note that these two update types are usually split up in time. With previous versions of the license, users were still getting security updates after the end of support for a certain period of time. However, Microsoft decided to not do this for Office LTSC 2021.


When choosing between Office 2021 LTSC and Microsoft 365, there is one very big difference that you should keep in mind. Microsoft 365 is a subscription-based license and Office 2021 LTSC is a one-time purchase. The choice usually depends on the type of license you prefer and the way you would like to pay for it. Keep in mind that Microsoft 365 is a subscription, which means that in the long run this license might end up being more expensive than the one-time purchase perpetual Office 2021 LTSC. Do you need assistance in choosing the right license for you? Please do not hesitate to contact us.


Yes, you can use your Office LTSC 2021 license on Mac. However, there are 2 applications that can only be used on Windows. These are Microsoft Publisher and Microsoft Access. Microsoft clearly stated that those two licenses only work on Windows and not on Mac.


  • Office LTSC 2021 is a version of Office 2021 that is available for government and commercial customers
  • Besides a few different functions, there are no major differences between Office LTSC 2021 and Office 2021
  • The functions Visual Refresh and co-authorating documents are only available in Office 2021
  • The main difference between Microsoft 365 and Office LTSC 2021 is the fact that 365 is subscription-based, and Office LTSC 2021 is a one-time purchase of a perpetual license
  • You can use Office 2021 LTSC on Mc (besides the applications Microsoft Publisher and Microsoft Access)
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