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

I had the exact same error. The spreadsheet was created from another software (SAP). Since it was not created by Office, Excel was not able to read it (!?!). I have to open them in Excel, save it, and then load it in Access and it works! As a worst case scenario, let's say you have dozens of files, you could just open and close them by VBA code before import.