Microsoft 365 and Office 2019 Get Support for macOS Big Sur

Microsoft has announced that Microsoft 365 and Office 2019 have been updated with support for macOS Big Sur. Additionally, the company has confirmed that its latest apps will work with Apple Silicon Macs via Rosetta 2.

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The latest release of apps including Word, Excel, PowerPoint, Outlook, OneNote, and OneDrive can be installed on devices that are based on the Apple Silicon architecture. For the best experience, install the November 2020 release (build 16.43), or later. This release of Office includes the latest optimizations for macOS Big Sur, which is the first operating system to support Apple Silicon.

Apple Silicon processors can run apps that are compiled for the Intel chipset through a software technology known as Rosetta 2. This translation layer is automatically enabled in macOS Big Sur and provides users with access to all features in Microsoft's apps including support for third-party add-ins. End-users and business customers can use existing methods to install and deploy Office.
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The first time you run each Office app via Rosetta 2, the app will bounce in the dock for about 20 seconds while it optimizes code for the Apple Silicon processor. This won't happen for subsequent app launches.

Microsoft has already begun working on a universal binary for Intel and Apple Silicon based Macs. A beta of that binary is available to users registered on the 'Insider Fast' beta channel.

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