>Hi,
>I have an application written using VFP8SP1. I am requested to customize part of my application. SQL Enhancements of VFP9 make the job easier.
>However, I dare to fully upgrade my application to VFP9 because we haven't fully tested our app on VFP9.
>
>Anyway I use use more than one version in same application (must be able to share data) ?
>
>Thank you

John,
As and addition to Dirk, whatever you do have a place in your exe that shows linker information (like version(4)). Otherwise with multiple versions sometimes it's hard to find original runtime version.
Cetin