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Windows End of Support Calendar

The below End of Support Calendar shows all 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.

  • Tue
    09
    Jan
    2018

    Mainstream Support refers to updated designs and features and other cosmetic changes and support provided by Microsoft that do not fall under security updates.

  • Tue
    10
    Apr
    2018

    Includes all programs within this version of Microsoft Office, but the security problems apply in particular to software that receives information from the Internet: Outlook, OneNote.

    The support date is for the last service pack for this version of Office, Service Pack 1. Support for this version of Office, without service packs, ended April 14th, 2015.

    Mainstream Support refers to updated designs and features and other cosmetic changes and support provided by Microsoft that do not fall under security updates.

  • Tue
    14
    Jan
    2020

    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.

  • Tue
    14
    Jan
    2020

    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.

  • Tue
    13
    Oct
    2020

    Mainstream Support refers to updated designs and features and other cosmetic changes and support provided by Microsoft that do not fall under security updates.

  • Tue
    13
    Oct
    2020

    Includes all programs within this version of Microsoft Office, but the security problems apply in particular to software that receives information from the Internet: Outlook, OneNote.

    The support date is for the last service pack for this version of Office, Service Pack 2. Support for this version of Office, without service packs, ended July 10th, 2012.

    End of extended support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance.

  • Tue
    13
    Oct
    2020

    Includes all programs within this version of Microsoft Office, but the security problems apply in particular to software that receives information from the Internet: Outlook, OneNote.

    Mainstream Support refers to updated designs and features and other cosmetic changes and support provided by Microsoft that do not fall under security updates.

  • Tue
    10
    Jan
    2023

    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.

  • Tue
    11
    Apr
    2023

    Includes all programs within this version of Microsoft Office, but the security problems apply in particular to software that receives information from the Internet: Outlook, OneNote.

    The support date is for the last service pack for this version of Office, Service Pack 1. Support for this version of Office, without service packs, ended April 14th, 2015.

    End of extended support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance.

  • Tue
    10
    Oct
    2023

    Applies to most editions, including Server 2012 Datacenter, Essentials, Multipoint, Embedded Systems, Storage Server.

    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.

  • Tue
    14
    Oct
    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.