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:
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Tue17Aug2021
Internet Explorer End of Support in Office 365
Office 365 will stop supporting Internet Explorer on August 17th, 2021. Microsoft Teams previously stopped support for IE in 2020.