Microsoft Office Ltsc For Mac 2021 V16.55 May 2026

Universal macOS binary, meaning it runs natively on both Apple Silicon and Intel hardware without requiring Rosetta 2 for optimal performance.

Classic versions of Word, Excel, PowerPoint, Outlook, and OneNote. Microsoft Office LTSC for Mac 2021 v16.55

LTSC (Long-Term Servicing Channel) , which is a "one-time purchase" perpetual license intended for regulated or disconnected devices that do not want frequent feature updates. Deployment & Activation Universal macOS binary, meaning it runs natively on