I should probably have this one, but cannot get it.

I have a large data file (DAT). I have an interface file (INT) with many reports (and no tables) which uses the external DAT as its datasource: same number of records.

If I am in DAT with a given found set, how can I navigate quickly to the same found set in INT? I had envisioned using GTRR, but there is no relationship between the two files.

As a bonus, is it possible to preserve Sort order?

Thanks in advance!

DSW