I'll assume you've done the following:
- import UK excel file
- configured the data, views, tabs, etc., perhaps even added formula fields
- saved as "UK.IOK".
I'll also assume the column structure is identical (same field names and type of data).
Simply do the following (Omniscope 2.5):
- open the "UK.IOK" file
- choose Data menu > Edit source (you'll see a dialog showing a summary of the data source e.g. "UK.XLS")
- choose Edit (you'll see a dialog showing a choice of data source types with "File" selected)
- choose Edit (you'll see a file chooser dialog)
- browse to the XLS file for a different country and click Open (Omniscope will inject new data into your existing views)
- save as "OtherCountry.IOK".