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New Beta of Microsoft's Office 2019 is Compatible with ARM-Based Macs

The company's new beta for Office 2019 can run natively over the upcoming ARM-based Macs. 'This is an initial peek for customers to test on hardware they may be acquiring,' a Microsoft engineer said.

 & Michael Kan Principal Reporter

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As Apple’s new ARM-powered Macs prepare to arrive, a big question facing the products is which third-party apps will be able to run natively on the hardware.

The good news is that Microsoft is working to make Office 2019 compatible with the new Macs on day one. The company is releasing a beta of the software build later today, according to Microsoft engineer Erik Schwiebert.

“We don’t have a public date or version for a final release; this is an initial peek for customers to test on hardware they may be acquiring this week,” he wrote in a tweet. 

Programs that can run natively on the new ARM-based Macs are officially being called “Universal apps." And according to Apple, every app that normally comes with Mac is already optimized for the ARM architecture, ensuring the programs run smoothly. 

The Universal apps will be available for download over Apple’s App Store. However, not every major third-party software title will be able to run natively on the new Macs on day one. Adobe, for example, plans on releasing the Universal version of Photoshop early next year. 

Fortunately, Microsoft has been quick to bring Office 2019 support to the new Macs, which go on sale next week. The company is releasing the beta through the Office beta channel

In the event you want to run Mac apps originally designed for Intel’s silicon, Apple has created Rosetta 2, which can translate the computer code to run over the ARM architecture. But it’s possible the performance may be sluggish. On the plus side, the new ARM-based Macs can natively run iPhone and iPad apps for the first time. 

Stay tuned for our reviews when we can put the new Macs to the test. 

About Our Expert

Michael Kan

Michael Kan

Principal Reporter

My Experience

I've been a journalist for over 15 years. I got my start as a schools and cities reporter in Kansas City and joined PCMag in 2017, where I cover satellite internet services, cybersecurity, PC hardware, and more. I'm currently based in San Francisco, but previously spent over five years in China, covering the country's technology sector.

Since 2020, I've covered the launch and explosive growth of SpaceX's Starlink satellite internet service, writing 600+ stories on availability and feature launches, but also the regulatory battles over the expansion of satellite constellations, fights with rival providers like AST SpaceMobile and Amazon, and the effort to expand into satellite-based mobile service. I've combed through FCC filings for the latest news and driven to remote corners of California to test Starlink's cellular service.

I also cover cyber threats, from ransomware gangs to the emergence of AI-based malware. In 2024 and 2025, the FTC forced Avast to pay consumers $16.5 million for secretly harvesting and selling their personal information to third-party clients, as revealed in my joint investigation with Motherboard.

I also cover the PC graphics card market. Pandemic-era shortages led me to camp out in front of a Best Buy to get an RTX 3000. I'm now following how the AI-driven memory shortage is impacting the entire consumer electronics market. I'm always eager to learn more, so please jump in the comments with feedback and send me tips.

The Best Tech I've Had:

  • My first video game console: a Nintendo Famicom
  • I loved my Sega Saturn despite PlayStation's popularity.
  • The iPod Video I received as a gift in college
  • Xbox 360 FTW
  • The Galaxy Nexus was the first smartphone I was proud to own.
  • The PC desktop I built in 2013, which still works to this day.

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