Doh!!!!
I did not check Microsoft's support site before asking...
Should someone get the same situation, it's just:
UPDATE OPENQUERY(...) SET Field = Value
The question about security still stands, though!
(this is becoming a monologue...) :)
>Now, what if I want to update, insert or delete? In theory, I could use server.schema.owner.table, but what is the schema and owner of VFP data?
Sylvain Demers