The below table describes current phases of the Sitecore Product Support Lifecycle for various Sitecore products, as well as the expected dates for transitioning to the subsequent support phases.
| Product | Initial Release Date | Mainstream Support End Date | Extended Support End Date | Sustaining Support End Date |
| Sitecore 9.0 | 2017 | 31-Dec-2020 | 31-Dec-2023 | 31-Dec-2025 |
| Sitecore 8.2 | 2016 | 31-Dec-2019 | 31-Dec-2022 | 31-Dec-2024 |
| Sitecore 8.1 | 2015 | 31-Dec-2018 | 31-Dec-2021 | 31-Dec-2023 |
| Sitecore 8.0 | 2015 | 31-Dec-2018 | 31-Dec-2021 | 31-Dec-2023 |
| Sitecore 7.5 | 2014 | 31-Dec-2017 | 31-Dec-2020 | 31-Dec-2022 |
| Sitecore 7.2 | 2014 | 31-Dec-2017 | 31-Dec-2020 | 31-Dec-2022 |
| Sitecore 7.1 | 2013 | 31-Dec-2016 | 31-Dec-2019 | 31-Dec-2021 |
| Sitecore 7.0 | 2013 | 31-Dec-2016 | 31-Dec-2019 | 31-Dec-2021 |
| Sitecore 6.6 | 2012 | 31-Dec-2015 | 31-Dec-2018 | 31-Dec-2020 |
| Sitecore 6.5 | 2011 | 30-Jun-2015 | 31-Dec-2017 | 31-Dec-2020 |
| Sitecore 6.4 | 2010 | 30-Jun-2015 | 31-Dec-2016 | 31-Dec-2020 |
| Sitecore 6.3 | 2010 | 30-Jun-2015 | 31-Dec-2016 | 31-Dec-2020 |
| Sitecore 6.2 | 2009 | 30-Jun-2015 | 31-Dec-2015 | 31-Dec-2020 |
| Sitecore 6.1 | 2009 | 30-Jun-2015 | 31-Dec-2015 | 31-Dec-2020 |
| Sitecore 6.0 | 2008 | 30-Jun-2015 | 30-Jun-2015 | 31-Dec-2016 |
| Sitecore 5.3 | 2006 | - | - | 30-Jun-2015 |
| Sitecore 5.2 | 2006 | - | - | 30-Jun-2015 |
| Sitecore 5.1 | 2005 | - | - | 30-Jun-2015 |
| Sitecore 4.3 | 2004 | - | - | 30-Jun-2015 |
Sitecore Intranet Portal | ||||
| Sitecore Intranet Platform 4.1 | 2013 | 30-Jun-2016 | 31-Dec-2019 | 31-Dec-2021 |
| Sitecore Intranet Platform 4.0 | 2013 | 30-Jun-2016 | 31-Dec-2019 | 31-Dec-2021 |
| Sitecore Intranet Portal 3.3 | 2011 | 30-Jun-2015 | 31-Dec-2017 | 31-Dec-2019 |
| Sitecore Intranet Portal 3.2 | 2011 | 30-Jun-2015 | 31-Dec-2017 | 31-Dec-2019 |
| Sitecore Intranet Portal 3.1 | 2010 | 30-Jun-2015 | 31-Dec-2016 | 31-Dec-2018 |
| Sitecore Intranet Portal 3.0 | 2009 | 30-Jun-2015 | 31-Dec-2015 | 31-Dec-2017 |
Sitecore Foundry | ||||
| Sitecore Foundry 3.0 | 2009 | 30-Jun-2015 | 31-Dec-2015 | 31-Dec-2017 |
| Sitecore Foundry 2.1 | 2008 | 30-Jun-2015 | 30-Jun-2015 | 31-Dec-2016 |
| Sitecore Foundry 2.0 | 2008 | 30-Jun-2015 | 30-Jun-2015 | 31-Dec-2016 |
Sitecore Commerce Server | ||||
| Sitecore Commerce Server 11.4 | 2016 | 31-Dec-2019 | 31-Dec-2022 | 31-Dec-2024 |
| Sitecore Commerce Server 11.3 | 01-Feb-2016 | 01-Feb-2019 | 01-Feb-2022 | 01-Feb-2024 |
| Sitecore Commerce Server 11.2 | 2015 | 31-Dec-2018 | 31-Dec-2021 | 31-Dec-2023 |
| Sitecore Commerce Server 11.1 | 01-Oct-2014 | 01-Oct-2017 | 01-Oct-2020 | 01-Oct-2022 |
| Sitecore Commerce Server 11.0 | 01-Aug-2014 | 01-Aug-2017 | 01-Aug-2020 | 01-Aug-2022 |
Ascentium Commerce Server | ||||
| CommerceServer.net Commerce Server 10–10.1 | 01-Jan-2013 | 01-Jan-2016 | 01-Jan-2019 | 01-Jan-2023 |
| Ascentium Commerce Server 2009 R2 SP1 | 01-May-2013 | 01-May-2016 | 01-Jul-2019 | 01-May-2023 |
| Ascentium Commerce Server 2009 R2 | 01-Jul-2012 | 01-Jul-2015 | 01-Jul-2019 | 01-Jul-2022 |
| Ascentium Commerce Server 2009 | 01-Jul-2012 | 01-Jul-2015 | 01-Jul-2019 | 01-Jul-2022 |
Note: For products purchased from Ascentium or CommerceServer.net, different support lifecycle dates can apply.
Note: Sitecore can update this document from time to time at Sitecore's sole discretion. Any such changes will be posted on the Sitecore Knowledge Base site and made applicable 30 days from the date of its posting.
Note: Supported technology platforms for specific Sitecore versions can be determined using the Sitecore Compatibility Table. R(x) releases of supported technology platforms (for example, Microsoft Windows Server 2012 R2) are considered new platforms and not updates to supported technology platforms.
Note: Unless stated otherwise, support phases for commercial Sitecore modules match the support phase of the Sitecore version that the module is used on.
Note: The Sitecore Foundry 4.0+ product is distributed as a Sitecore module that is installed on top of Sitecore CMS.
Note: Assistance with errors or unexpected behavior is provided when applying official version upgrade instructions and the Sitecore version being upgraded from is in the Mainstream, Extended, or Sustaining support state, while the version being upgraded to is in the Mainstream support state.
