Overview of Office LTSC 2021

Office LTSC Standard 2021 gives you the essential tools to get work done with updated versions of Word, Excel, PowerPoint, Outlook, and Publisher (PC only); plus the OneNote desktop app that runs on all supported versions of Windows and which is part of Office 2019 and Microsoft 365.

• Office LTSC Professional Plus 2021 includes Access, Excel, OneNote, Outlook, PowerPoint, Publisher, Skype for Business, Teams, and Word.
• Access and Publisher aren't available for devices running macOS.
• Office LTSC 2021 is available in both 32-bit and 64-bit versions. We recommend 64-bit on devices that have 4 GB or more of memory. But you should assess application compatibility and other factors that might require you to use the 32-bit version.
• After downloading the installation files, internet connectivity isn’t required to install Office LTSC 2021. Internet connectivity is required for MAK activation, but not for KMS activation. After activation, internet connectivity isn't required to use Office LTSC 2021.
• LTSC stands for Long Term Servicing Channel.