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:
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Tue10May2022
Windows 10 Version 20H2 End of Service
Windows 10, version 20H2, named for the release date of Second Half of 2020, will reach end-of-life on May 10th, 2022, and will no longer receive security patches after that date.