>Conclusion:
>- DO FORM is always fast.
>- MODIFY FORM with tables in DE, and tables residing in directories with many files is slow.
>- MODIFY FORM is fast if all tables in DE are already open in any other foxpro session on the same machine.
>- MODIFY FORM is fast if tables in DE reside in directories having very few files.

I guess what we're wondering, Doru, and so I can test better, is:

1) When you say "tables open" you mean they are visible in the Data Session list? If so, what happens when you first do a DO FORM, and then type CLOSE DATA ALL? Is the MODI FORM slow again?

2) When you say "many files" in directories, what kind of number are we talking about? 50 files? 500 files? 5000 files? Just roughly, I mean.