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.
-
Sun01Feb2026
For users of the ESR version of Firefox, also known as the Extended Support Release, February 2026 is the end of support in Firefox for Windows versions 7, 8, and 8.1.
https://support.mozilla.org/en-US/kb/firefox-users-windows-7-8-and-81-moving-extended-support
-
Tue13Oct2026
Microsoft Office 2021 leaves extended support.
-
Tue13Oct2026
The annual feature edition of Windows 11 known as 24H2, for 2024 second half, will reach the end of supports and patches October 13, 2026.
-
Tue12Jan2027
Applies to most editions of Microsoft Server 2016.
End of extended support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance. Without Microsoft support, you will no longer receive security updates that can help protect your PC from harmful viruses, spyware, and other malicious software that can steal your personal information.
-
Tue12Oct2027
The annual feature edition of Windows 11 known as 25H2, for 2025 second half, will reach the end of supports and patches October 12, 2027.
-
Tue09Jan2029
Applies to most editions of Microsoft Server 2019.
End of extended support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance. Without Microsoft support, you will no longer receive security updates that can help protect your PC from harmful viruses, spyware, and other malicious software that can steal your personal information.
-
Mon01Oct2029
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.
-
Tue13Nov2029
Applies to most editions of Microsoft Server 2025.
End of mainstream support refers to the date when Microsoft no longer provides feature updates and fixes.
-
Tue14Oct2031
Applies to most editions of Microsoft Server 2022.
End of extended support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance. Without Microsoft support, you will no longer receive security updates that can help protect your PC from harmful viruses, spyware, and other malicious software that can steal your personal information.
-
Tue14Nov2034
Applies to most editions of Microsoft Server 2025.
End of extended support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance. Without Microsoft support, you will no longer receive security updates that can help protect your PC from harmful viruses, spyware, and other malicious software that can steal your personal information.