Microsoft releases native Office apps for M1 Macs Microsoft releases native Office apps for M1 Macs Collectively tagged as "Microsoft 365 for Mac Apps," core Office productivity applications have been updated for Apple's new ARM-based laptops Collectively tagged as Microsoft 365 for Mac Apps - formerly labeled Office 365 ProPlus - the flagship applications Excel, OneNote, Outlook, PowerPoint and Word have been updated so that they run on the Apple Silicon-powered MacBook Air, MacBook Pro and Mac Mini without requiring translation. On systems powered by Apple's new M1 system-on-a-chip, macOS 11 - aka Big Sur - uses the Rosetta 2 technology to run existing Intel-based applications. Rosetta 2 translates Intel-based code into code that runs on the M1 SoC.