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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Mon01Oct2029
Microsoft Office 2024
Microsoft Office 2024, including Home & Business and Home & Student editions, reaches the end of support and patching October 9th, 2029. The launch date for this version of Office was October 1st, 2024.