|Products Released||Lifecycle Start Date||Mainstream Support End Date||Extended Support End Date||Service Pack Support End Date||Notes|
|Microsoft Dynamics CRM 4.0||2/29/2008||4/9/2013||4/10/2018||Beginning January 12, 2016, only the most current version of Internet Explorer available for a supported operating system will receive technical support and security updates. Please visit the Internet Explorer Lifecycle Policy FAQ for a list of supported operating systems and browser combinations. |
Migration guidance can be found here.