If it is a workgroup password, you can only clear it. And AC95? Sheesh, that's a LONG time ago. Not less than 8 major versions, maybe 9. I don't recall what is available and have no AC95 to check.
Go into Access Help and try to find information about Users (which is a collection). If you see that topic, see if there is a link to its properties and methods. If there IS a code way to accomplish what you want, the documentation will be there. If it ain't there, you can't do it.