>Hi,
>I have created and registered a fox pro DLL, of the type discussed here,
>and am able to VFP created functions or procedures from Excel, also as discussed
>here. Now, however, I need to be able to update this VFP DLL sometimes. Each
>time I update or modify this VFP DLL file, I realize that 1) clients need to have
>this new file. 2) But do they also need to re-register it?\, in order for their
>computers to "know" about this new file
>
> ** this registers the dll
> DECLARE integer DllRegisterServer IN VfpOpubTest.DLL
> DllRegisterServer()
> CLEAR DLLS
>
>Thanks
>Steve

As long as classid doesn't change I don't think they'd need to reregister.
Cetin