
Microsoft's advice is to upgrade macOS to Mojave or Big Sur "for the best user experience and longest support lifecycle." After all, the impending arrival of macOS Monterey, which was shown during Apple's WWDC in June, will mean support for Mojave will be on the line if Microsoft makes good on its promise to only support the current and previous three versions of macOS for OneDrive sync.

Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS. It is the primary operating system for Apple's Mac computers.
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There is therefore no guarantee how long it will work past the 10 September cut-off date. macOS ( / mkos / previously Mac OS X and later OS X) is a proprietary graphical operating system developed and marketed by Apple Inc. You also won't be able to install it fresh. Microsoft will simply no longer update or test it. That said, the app will not suddenly stop working on existing systems. Now Apple emits dozens of fixes for iOS, macOS, etc


Apple ditches support for pre-2015 MacBook Air, Pro laptops with macOS Monterey.Apple's own cloud storage service, iCloud, is hard to avoid if one uses an iDevice, but for many enterprises (and a few consumers) the OneDrive sync app is a useful tool and will be missed by customers not on Apple's latest and greatest.
