MicrosoftOffice LTSC Standard 2021
About this licence
Office LTSC Standard 2021 provides the essential Office apps businesses rely on, packaged as a perpetual LTSC licence for a one-time purchase. It includes Word, Excel, PowerPoint, OneNote and Outlook, with Publisher on Windows and Teams available as a separate free download.
Designed for small and medium teams that prefer stable feature sets, this licence covers a single device and is available for Windows or Mac (select your variant). Delivery is by digital key sent by email — instant during office hours or within 24 hours at other times.
- Perpetual LTSC licence — one-time purchase, no subscription
- Includes Word, Excel, PowerPoint, OneNote and Outlook
- Publisher included for Windows; Teams available as a separate free download
- Licence valid for one device
- Available for Windows or Mac (choose variant)
- Digital key delivered by email, instant during office hours or within 24 hours
System requirements
As of 2026-04-17 the requirements are as follows:
Processor (PC) 1.6 GHz or faster, 2 coresProcessor (Mac) Apple silicon (M1/M2/M3/M4) or Intel
Operating system (PC) Windows 10 (supported versions), Windows 11, or Windows Server 2019/2022
Operating system (Mac) Three most recent macOS versions
Memory 4 GB RAM
Hard disk 4.0 GB of available disk space
Display PC: 1280 × 768 · Mac: 1280 × 800
Internet Required for activation and cloud features
Requirements change over time — the latest official list is on the Microsoft LTSC 2021 deployment site.
Additional information
Office LTSC Standard 2021 is sold as a perpetual LTSC licence — you pay once and keep the software with no recurring subscription. LTSC (Long-Term Servicing Channel) receives security updates only, with no feature changes — ideal for environments that need long-term stability. Each licence activates one device (PC or Mac).
Languages: Office LTSC Standard 2021 supports all Microsoft-supported languages — the interface language is chosen during install.
Platform coverage: runs on Windows 10 (supported versions), Windows 11, Windows Server 2019/2022, and the three most recent macOS versions. See the Requirements section for full specifications.
What you receive
- Office LTSC Standard 2021 product key (by email)
- Download link for the official Microsoft installer
- PDF invoice with licence details
- Step-by-step activation guide
Digital key delivery — instant during office hours, within 24 hours at all other times.
How to activate
- Download Office LTSC Standard 2021 using the link in your Licendi email
- Install Office on your PC or Mac
- Launch any Office app (e.g. Word) and enter the product key from your Licendi email when prompted
Support
Support is available 24/7 by email and live chat. If anything goes wrong with your key or activation, contact us and we'll work on a solution for you.