Microsoft Excel 2010 reached its end of support on October 13, 2020, and is no longer available for official download from Microsoft, making it insecure for use in 2022 and beyond. While it remains functional for basic tasks on older hardware, users are advised to upgrade to modern alternatives due to lack of security patches and potential incompatibility with Windows 11. For more details, visit Microsoft Support . End of support for Office 2010 - Microsoft Support