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
  • Tue
    14
    Apr
    2009

    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
    Jul
    2010

    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
    2012

    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
    09
    Oct
    2012

    Microsoft Office 2007 left the end of Extended Support on October 10th, 2017, and no longer receives security fixes. Mainstream Support, which also included bug fixes, ended October 9th of 2012. These dates are for Office installations that included Service Pack 3. Un-updated versions ended Extended Support on January 13th, 2009, Service Pack 1 support ended January 13th, 2010, and Service Pack 2 support ended January 8th, 2013.

    The product was launched January 7th, 2007.

  • Tue
    08
    Apr
    2014

    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
    08
    Apr
    2014

    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.

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

    Mainstream support (non-security bug fixes and feature updates) of this version of Office ended April 14, 2009.

  • Tue
    13
    Jan
    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
    13
    Jan
    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
    Jul
    2015

    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
    2015

    Microsoft Office 2010 left the end Extended Support on October 13th, 2020, and no longer receives security fixes. Mainstream Support, which also included bug fixes, ended October 13th of 2015. These dates are for Office installations that included Service Pack 2. Un-updated versions ended Extended Support on July 10, 2012, and Service Pack 1 support ended October 14, 2014.

    The product was launched July 15th, 2010.

  • Tue
    12
    Jan
    2016

    All Windows 8 systems should be upgraded to Windows 8.1, and nearly all such computers have the system requirements to run Windows 10.

    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.

  • Fri
    01
    Apr
    2016

    The web browser, Google Chrome, will continue to function on Windows XP, Windows Vista, as well as Mac OS X 10.6, 10.7, and 10.8. However as of April 2016 Google will no longer provide support with updates and security fixes as these platforms are no longer actively supported by Microsoft and Apple. These older platforms are no longer receiving their own critical security updates and face a greater potential to be infected with viruses and malware.

    If you are still using these platforms, it is highly recommended that you move to a newer operating system to ensure that you continue to receive the latest Chrome versions and features as well as the Microsoft/Apple necessary security updates. Keep in mind, Windows Vista will be receiving security patches until April of 2017, however Google will not be providing security patches for the entire year before Vista's end of support date.

  • Tue
    12
    Apr
    2016

    If you are still running SQL Server 2005 after April 12, 2016, you will no longer receive security updates. Now is the time to upgrade to SQL Server 2014 and Azure SQL Database to achieve breakthrough performance, maintain security and compliance, and optimize your data platform infrastructure.

  • Tue
    11
    Apr
    2017

    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
    09
    May
    2017

    Windows 10, version 1507, is also known as Build 10240, and was the RTM (release to manufacturing) or first published version of Windows 10. After Extended support ends, there will be no more security patches to this version of Windows.

  • Tue
    09
    May
    2017

    Windows 10 version 1507 was the initial release for Windows 10, released July 29th, 2015. Use the 'Winver' app to read the version number. This version of Windows no longer receives security updates, and should be updated to the current Windows 10 release, or taken offline.

    More at Microsoft:
    https://support.microsoft.com/en-us/help/4015562/windows-10-version-1507-will-no-longer-receive-security-updates

  • Tue
    10
    Oct
    2017

    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 3. Support for this version of Office, without service packs, ended January 13th, 2009.

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

  • Tue
    10
    Oct
    2017

    Windows 10 version 1511 was known as "November Update" or build 10586.753, released November 12, 2015. Use the 'Winver' app to read the version number. This version of Windows no longer receives security updates, and should be updated to the current Windows 10 release, or taken offline.

    https://support.microsoft.com/en-gb/help/4035050/windows-10-version-1511-will-no-longer-receive-security-updates

  • Tue
    10
    Oct
    2017

    Windows 10, version 1511, is also known as Build 10586, and was the "November Update" to Windows 10. After Extended support ends, there will be no more security patches to this version of Windows.

  • Tue
    10
    Oct
    2017

    Microsoft Office 2007 left the end of Extended Support on October 10th, 2017, and no longer receives security fixes. Mainstream Support, which also included bug fixes, ended October 9th of 2012. These dates are for Office installations that included Service Pack 3. Un-updated versions ended Extended Support on January 13th, 2009, Service Pack 1 support ended January 13th, 2010, and Service Pack 2 support ended January 8th, 2013.

    The product was launched January 7th, 2007.

  • 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.

  • Thu
    01
    Mar
    2018

    (Date is approximate)
    Windows 10, version 1607, is also known as Build 14393, and was the "Anniversary Update" to Windows 10. After Extended support ends, there will be no more security patches to this version of Windows.

  • 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.

  • Sat
    30
    Jun
    2018

    TLS version 1.0 will fail PCI Compliance rules after June 30th. This is a security protocol and encryption method, long known to be flawed, but broken only with considerable difficulty. It should be replaced with TLS version 1.2 or above. TLS 1.0 can be disabled in Windows; there is a setting in the Control Panel of Windows 7 and higher. It's under Internet properties, advanced, security, uncheck SSL 3 and TLS 1.0, add checks to 1.1 and 1.2 if not already there.

  • Sat
    01
    Sep
    2018

    Windows 10, version 1703, is also known as Build 15063, and was the "Creators Update" to Windows 10. After Extended support ends, there will be no more security patches to this version of Windows.

  • Fri
    01
    Mar
    2019

    Windows 10, version 1709, is also known as Build 16299, and was the "Fall Creators Update" to Windows 10. After Extended support ends, there will be no more security patches to this version of Windows.

  • Tue
    12
    Nov
    2019

    Windows 10, version 1803, released in April of 2018, will reach end-of-service on November 12th, 2019.

  • Tue
    12
    Nov
    2019

    Windows 10, version 1803, also known as the April 2018 update, will reach end-of-service on November 12th, 2019.

  • Sat
    30
    Nov
    2019

    Wolters Luwer (CCH) has ended support of Windows 7 with its tax products.

  • 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.

  • Fri
    31
    Jan
    2020

    For Office 365 subscribers, Office can be used on Windows 7 until January 2020, with the exception of OneNote 2016, which be supported to October 2020 for mainstream support and October 2025 for extended support.

  • Tue
    12
    May
    2020

    Windows 10, version 1809, also known as the October 2018 update, will reach end-of-service on May 12th, 2020.

  • 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
    13
    Oct
    2020

    Microsoft Office 2010 left the end Extended Support on October 13th, 2020, and no longer receives security fixes. Mainstream Support, which also included bug fixes, ended October 13th of 2015. These dates are for Office installations that included Service Pack 2. Un-updated versions ended Extended Support on July 10, 2012, and Service Pack 1 support ended October 14, 2014.

    The product was launched July 15th, 2010.

  • Tue
    13
    Oct
    2020

    For Office 365 subscribers, Office can be used on Windows 7 until January 2020, with the exception of OneNote 2016, which be supported to October 2020 for mainstream support and October 2025 for extended support.

  • 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.

  • Mon
    30
    Nov
    2020

    Microsoft Teams, a part of Office 365, will stop supporting Internet Explorer on November 30th, 2020.

  • Tue
    08
    Dec
    2020

    Windows 10, version 1903, also known as the May 2019 update, will reach end-of-service on December 8th, 2020.

  • Fri
    29
    Jan
    2021

    According to Microsoft's Modern Lifecycle Policy, "Microsoft will continue to support at least one Windows 10 Semi-Annual Channel until October 14, 2025."

    Editorial mode ON: Yes, it's vague. This entry will be updated once there's news, but that's unlikely before early 2024.

  • Tue
    09
    Mar
    2021

    Office 365 will stop supporting Microsoft Edge Legacy on March 9th, 2021. Microsoft Edge Legacy was forcibly replaced by Microsoft Edge Chromium in Windows 10 in April 2021, after a long period of recommending the change as optional.

    As both the Legacy and Chromium products are identified everywhere in Windows as 'Edge', they can be told apart by their logos. From left to right, here are the logos for Internet Explorer, Edge Legacy, and Edge Chromium.

    IE to Edge to Chromium

  • Tue
    11
    May
    2021

    Windows 10, Version 1909, released late in 2019, will reach the end of security patching on May 12th, 2021.

  • Tue
    17
    Aug
    2021

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

  • Tue
    14
    Dec
    2021

    Windows 10, version 2004, named for the release date of April 2020, but known as the May 2020 update, will reach end-of-life, on December 14, 2021, and will no longer receive security patches after that date.

  • Sat
    15
    Jan
    2022

    Announced January 9, 2020, Google has announced that it will support Windows 7 until January 15th, 2022. The previously-announced end of service was July 15, 2021.

    Extending Chrome's Support for Windows 7

  • Tue
    10
    May
    2022

    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.

  • Tue
    10
    May
    2022

    Windows 10, version 20H2, released October 20th, 2020, was named using the new 'H2' label to indicate the second half of the year. It will reach the end of life, and no longer receive security updates, as of May 10th, 2022.

  • Wed
    15
    Jun
    2022

    In all Windows 10 Semi Annual Channel editions, support for the Internet Explorer 11 desktop application will end June 15th of 2022.

    If your other software relies on Internet Explorer, investigate using "Internet Explorer mode in Microsoft Edge", which Microsoft has said will be supported, on supported operating systems, through at least 2029.

  • Tue
    13
    Dec
    2022

    Windows 10, version 21H1, named for the release date of First Half of 2021, will reach end-of-life, on December 13, 2022, and will no longer receive security patches after that date.

  • 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
    13
    Jun
    2023

    The 21H2 release of Windows 10, available November 16th of 2021, reaches end of service for Home, Pro, Pro Education, and Pro for Workstations on June 13th, 2023. As of November 2021, Windows 10 switched to an annual release schedule for feature updates, to match the Windows 11 schedule.

  • 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
    10
    Oct
    2023

    Windows 11 21H2, released October 4th, 2021, reaches end of service on October 10th, 2023.

  • Tue
    10
    Oct
    2023

    End of Mainstream support means the end of non-security patches and feature updates.

    Office 2019 was launched September 24th, 2018.

  • Tue
    08
    Oct
    2024

    Microsoft inconsistently labels this version as Windows 11 2022 in marketing materials, but the Winver program, run from the Start button, identifies it as 22H2.
    Windows 11 22H2, released September 20th, 2022, will reach end of service on October 8th, 2024.

  • Tue
    14
    Oct
    2025

    Windows 10 version 22H2, released October 18, 2022, reaches end of service and the end of security patching, on May 14th, 2024.
    UPDATE: Microsoft has announced that for Windows 10, 22H2 will be the last feature update, and security patches will end on the previously-announced end-of-life date for Windows 10. Both 22H2 and Windows 10 will reach the end of security patching Oct 14, 2025.

    More information on the Microsoft blog, here:
    https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-client-roadmap-update/ba-p/3805227

  • Tue
    14
    Oct
    2025

    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 for this version of Office ended October 13th, 2020.

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

  • Tue
    14
    Oct
    2025

    End of Extended Support means the end of security patches.

    Microsoft Office 2019 was launched September 24th, 2018.

  • Tue
    14
    Oct
    2025

    For Office 365 subscribers, Office could be used on Windows 7 until January 2020, with the exception of OneNote 2016, which is supported to October 2020 for mainstream support and October 2025 for extended support.

  • 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.

  • Tue
    11
    Nov
    2025

    Windows 11 23H2, from October 2023, ends patching November 11th, 2025.

  • Tue
    13
    Oct
    2026

    Microsoft Office 2021 leaves extended support.