the database desktop is ideal for this
it is located in your directory: c:\program files\borland\database desktop
you can open a file using the tool from the menu / open file
then look for the data files (like biolife) or your file and open it
you can find paradox files in c:\program files\common files\borland shared\data
here is a screen shot of the structure of biolife.db
with the red squared button you get to see the structure
you can then also change it