Hi,
it is not completely clear to me what the problem is. It is not a problem to read from multiple Excel files, as with each of the Excel functions in AIMMS you have to provide the workbook that needs to be used with this call as an argument.
Regarding different continuous data chunks, do you mean that you do not always know the sizes of the ranges that need to be read? If this is the problem, I have written a post about this on the AIMMS blog:
Determine consecutive range in excel.
If this is not your problem, could you please explain a bit more what your problem exactly is?
Guido Diepen
AIMMS Specialist