Outlook 2021 LTSC

Office LTSC 2021 is available for enterprise admins to download and deploy to the users in their organization. The following volume licensed Office products are available for devices running Windows:

• Office LTSC Professional Plus 2021
• Office LTSC Standard 2021
• Project Professional 2021
• Project Standard 2021
• Visio LTSC Professional 2021
• Visio LTSC Standard 2021

These Office products use Click-to-Run, instead of Windows Installer (MSI), as the installation technology. But, how you activate these Office products – for example, by using Key Management Service (KMS) – remains the same.

Office LTSC 2021 is supported on devices running Windows 10 or Windows 11. 

COMPONENT REQUIREMENT

Computer and processor

1.6 GHz or faster, 2-core

Memory

4 GB RAM;

Hard disk

4 GB of available disk space

Display

1280 x 768 screen resolution (32-bit requires hardware acceleration for 4K and higher).

Graphics

Graphics hardware acceleration requires DirectX 9 or later, with WDDM 2.0 or higher for Windows 10 (or WDDM 1.3 or higher for Windows 10 Fall Creators Update).

Operating system

Windows OS: Windows 10, Windows 11, Windows 10 LTSC 2019, Windows Server 2019, or Windows Server 2022

Browser

The current version of Microsoft Edge, Internet Explorer, Chrome, or Firefox. Get more details.

.NET version

Some features may require .NET 3.5 or 4.6 and higher to also be installed.

Other

Internet functionality requires an internet connection. Fees may apply.

A touch-enabled device is required to use any multitouch functionality, but all features and functions are always available by using a keyboard, mouse, or other standard or accessible input device.

Product functionality and graphics may vary based on your system configuration. Some features may require additional or advanced hardware or server connectivity.

Cloud file management features require OneDrive, OneDrive for Business, or SharePoint.

Microsoft account or organizational account required for license assignment.

[1] Minimum 5 unit requirement for initial license. If less than 5 units or adding on, contact your sales representative for more information.