>>>Yes, I was thinking about it.
>>
>>Thinking will not help. It needs coding.
>
>We don't have access to Report's events from within VFP when we modify the report. My idea also produced an error 'File is in use'.
>
>But luckily for this report we just placed the information in the Group Footer and therefore all worked.

??
If you modify the frx , you have access to anything. (I mean via code not via designer)
You can open the frx with USE, and alter the fields. I do not know the fieldnames without searching, but you can REPLACE the code as well as the binary fields. Possibly from a template hidden into your program.
Duplicate the frx, alter the duplicate, run the duplicate, delete it.