Note: Starting with version 3.50 and later, Backup and Sync no longer supports macOS X El Capitan v10.11.J– Dropped support for OS X El Capitan (3.50) Backup and Sync version 3.51 and above supports macOS Big Sur (10.16).Additional bug fixes and performance improvements.Fixed remaining M1 chip issues that prevented previous versions of Backup and Sync from running for some users.Backup and Sync version 3.54 and above supports macOS Big Sur (version 11) including Apple devices with the Apple M1 chip.Learn more Janu– Improved Apple M1 Support (3.54) We recommend transitioning to Drive for desktop by September 2021. Update on July 12, 2021: We announced that Backup and Sync users will soon start to see in-product invitations to transition to Drive for desktop.
