Take a look at Who opened what files on the network? (modified to use only VFP code) FAQ #7896.

>Is there a simple utility out there that I can download to tell me who has a file in use at a client site? They are on a windows 2000 network. They can't seem to find who has a file locked I need to update. I've told them to user the server manager, but I don't think they are very sharp.
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>Kirk