getting an Unexpected error from external database driver (1) when importing data from excel to access

Question

I have a 2010 Excel file with a sheet that spans 34864 rows and 1387 columns. I\'m trying to import it into Access 2010 with

Answer 1

In my case (I has the same error) the problem was that I had the Access DB stored on a network drive which ran out of space (not enough free space for the import to finish). I freed up space and compacted the DB; the error didn't appear again.