Windows End of Support Calendar

The End of Support Calendar shows Microsoft Operating Systems end of support dates, whether they are the end of mainstream support that updates features and cosmetic changes, or extended support, which ends security fixes and all Microsoft technical support other than old web pages.

Windows 10 Security Updates end October 14, 2025

Event Information:

  • Tue
    10
    Oct
    2023

    Microsoft Office 2019 End of Mainstream Support

    End of Mainstream support means the end of non-security patches and feature updates.

    Office 2019 was launched September 24th, 2018.