Microsoft will discontinue OneDrive synchronization support for older versions of Windows 10 on August 15, 2026. Users on Windows 10 version 22H2 will continue to receive updates until October 10, 2028. Support for Windows 10 version 21H2 ended on June 13, 2023. Users on versions prior to 22H2 will only be able to access OneDrive through the web interface. Microsoft encourages upgrading to Windows 11 for better functionality. Alternatives like Nextcloud are compatible with Windows 10 version 1809 and later.