>I have an application using My Documents and I have two sets of the same data but one is on a 98 and another is on W2K, residing in My Documents. The path to My Documents is hard coded in the W2K machine c:\Documents and Setting ......\My Documents\DirName\FileName.ext now the same data on the 98 machine is just c:\My Documents\DirName\FileName.ext. I doubt if the application will be able to use env. vars.
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>Any suggesstions. Right now I have created a similar directory structure in 98 but it doesn't feel right.

It's much simpler than you make it out - the Shell.Application object has a SpecialFolders collection which includes the "My Documents" folder for the current user, and there are a series of Shell API functions such as SHGetFolderPath() that use the CSIDL (a unique, cross platform special folder reference which is resolvable via the registry) which provides a mechanism to do this - it also allows you to find other special folder paths such as the Application Data and Local Data paths of the current user for OS that support such. This is the Windows-approved method for resolving special folder relative references.