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.

  • 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.