Bugs and issues found on or specific to unsupported operating systems will no longer be investigated or fixed.New installations on unsupported operating systems will be blocked.It is not advised to continue to run on these unsupported operating systems. These clients will continue to run, but functionality will no longer be tested. Existing OneDrive sync client installations on unsupported operating systems will stop updating.NOTE: These operating systems have been out of mainline support for several years nowĪfter November 1 st, OneDrive will be phasing out support for the following operating system versions: These changes will go into effect November 1st, 2017. To support that commitment, the OneDrive Desktop application (sync client) is updating the matrix of supported operating systems to align with Office 365 and Windows support. The OneDrive engineering team is committed to bringing you the best, most secure, end user experience possible.