and MDAC 2.7. Windows XP SP2 includes MSXML 3.0 SP5 as part of MDAC 2.81. Windows 2000 SP4 also ships with MSXML 3.0. By default, Internet Explorer version 6.0, 7.0 and 8.0 use MSXML 3 to parse XML documents loaded in a window. MSXML 3.0 SP7 is the last supported version for Windows 95. Windows XP SP3 includes MSXML 3.0 SP9. Windows Vista also includes MSXML 3.0 (SP10). Obsolete MSXML 5.0 MSXML5 was a binary developed specifically for Microsoft Office. It originally shipped with Office 2003 and also ships with Office 2007. Microsoft has not released documentation for this version because Microsoft considers MSXML 5 an internal/integrated component of Office 2003. MSXML 5 is not included in Office 2010. MSXML 4.0 MSXML4 was shipped as an independent, downloadable SDK targeted at independent software vendors and third parties. It is an upgrade for, but not a replacement to MSXML3 as version 3 still provides legacy features. There is no 64-bit version offered, although the 32-bit version was supported for 32-bit processes on 64-bit operating systems. Versions 4 and 3 may be run concurrently. MSXML 4.0 SP3 is the most recent version released in March 2009, SP2 support expired in April 2010, and MSXML 4.0 SP3 expired in April 2014. MSXML 2.6 This is an early version of MSXML, and is represented by msxml2.dll. This product is no longer supported by Microsoft, and the CLSIDs and ProgIDs it exposes have been subsumed by MSXML 3.0. MSXML 2.6 shipped with Microsoft SQL Server 2000 and MDAC 2.6. The last version for all platforms was released as KB887606. MSXML 2.5 This is an early version of MSXML, and is represented by msxml.dll. This version is also no longer supported by Microsoft, and the CLSIDs and ProgIDs it exposes have been subsumed by MSXML 3.0. MSXML 2.5 shipped with Windows 2000 as part of Internet Explorer 5.01 and MDAC 2.5. MSXML 2.0a This version shipped with Internet Explorer 5.0. No longer supported. MSXML 1.0 This version shipped with Internet Explorer 4.0. No longer supported. See also Ajax (programming) References External links Microsoft XML Team's WebLog Using the right version of MSXML in Internet Explorer Microsoft: Data Developer Center: Learn: MSXML Microsoft: Support: List of Microsoft XML Parser (MSXML) versions Microsoft: Download Center: search results: "MSXML 6.0" Microsoft: Download Center: search results: "MSXML 4.0" Microsoft: Download Center: search results: "MSXML 3.0" Internet Explorer Microsoft application programming