>>1. Is it possible to send parameters back to the originating FPW app ?
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>I would use a table to pass lots of information back and forth. I have a about 5 VFP apps that do this so they can use MAPI and all that jazz in a FP2.6 app.
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>>2. Is there a way of telling if the VFP app is running, and if so some way of calling it from FPW.
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>You might want to start on new thread on this one

In both cases, DDE is probably the best IPC mechanism available to both applications.