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.

Security updates for Microsoft Office 2021 end October 13, 2026.

Event Information:

  • Thu
    15
    Jan
    2026

    Backblaze ends support of Windows 7 and 8, some Mac versions

    These operating systems will not receive future updates, fixes, or security patches from Backblaze: Windows 7, Windows 8, Mac OS 10.12.x, Mavericks 10.9.x, Yosemite 10.10.x, El Capitan 10.11.x, and Mac OS X Server.