: MSXML 5.0 follows the lifecycle policy of the version of Office it shipped with. If you are using it with an unsupported version of Office (like Office 2003 or 2007), it may no longer receive security patches.

If MSXML 5.0 is installed, the default value will point to msxml5.dll (usually in C:\Windows\System32 or SysWOW64 for 32-bit on 64-bit).

While this article helps you find the , it would be irresponsible not to discuss security.

If you have the original installation disc or ISO for Office 2003/2007: