Some of the Microsoft 365 apps for Mac aren't quite native M1 apps yet.

Otherwise, they can be downloaded from the Mac App Store. Microsoft is starting to deliver these updated Microsoft 365 apps for Macs with Apple silicon as early as this week for users that have automatic updating turned on. In addition, these Office apps for Mac, sold under Microsoft 365 subscriptions, are 'Universal, so they will continue to run great on Macs with Intel processors,' Microsoft indicated. This week, Microsoft indicated that its support for Macs using M1 technology 'means that now our core flagship Office apps - Outlook, Word, Excel, PowerPoint, and OneNote - will run faster and take full advantage of the performance improvements on new Macs, making you even more productive on the latest MacBook Air, 13-inch MacBook Pro, and Mac mini.' Microsoft typically has continued to release Office versions for the Mac, although the new features often lag their Windows counterpart. Apple also has Rosetta 2 software that permits Macs with Apple-built silicon to run apps that were built for Intel processors.

Apple indicated that 'all of Apple's Mac software is now Universal and runs natively on M1 systems.' By 'Universal,' Apple likely means that applications run on macOS, iOS and Android operating systems. The M1 is also optimized for Apple's macOS Big Sur, its latest major operating system release for the Mac. Apple described M1 last month as its 'first chip designed specifically for the Mac,' claiming speed advantages over Intel Core processors.

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