>>>Do you know if it is the same for 3.0 to 6.0 conversions?
>>
>>3.0 to 6.0 will have the same problems as 3.0 to 5.0. The stored procedures in your DBC will be recompiled and will not be accessable in 3.0.
>
>How does this work when there is data out there being used? Not data included in the project, but data out there being accessed by VFP 3.0 executables. When a VFP 6.0 executable accesses the DBC, it recompiles stored procedures?

Not in runtime. You'll get a error... "Compiled in previous version", if I remember correctly. If you open the DBC EXCLUSIVE, then VFP 6.0 will recompile it. But, then it isn't accessible in 3.0. VFP 6.0 can read the 5.0 binary files (re: the compiled code), so you don't have this problem.