Requires an Intel-based Mac with at least 4GB of RAM and 6GB of free disk space (HFS+ format).

64-bit only (Microsoft transitioned Office 2016 for Mac to 64-bit in 2016 to meet macOS requirements). Key Features and Fixes

Minimum macOS 10.10 (Yosemite) or later. It is officially supported on macOS Sierra (10.12) through macOS Mojave (10.14).

For volume editions, you must run the Microsoft_Office_2016_VL_Serializer.pkg to activate the suite without a personal Microsoft account.