Installing and Using OneDrive on macOS 10.13.6
macOS 10.13.6 no longer receives root certificate updates from Apple. This means Let’s Encrypt and other modern SSL certificates may appear invalid, breaking the secure connection to *.onedrive.com . onedrive for macos 10.13.6
: Some users have successfully used older "Deferred ring" versions, such as 21.203.1107.0004 , which was the last version to support High Sierra. You may find these via third-party repositories like FileHorse . Title: Installing and Using OneDrive on macOS 10
: If you have previously downloaded OneDrive on your Apple ID, you may be able to download a legacy version: Open the App Store on your Mac. Go to your Purchased or Account tab. Find OneDrive and click the download button. Open the OneDrive app from the Applications folder
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