If when importing files from Excel all fields are shown in the first column, this is due to Excel using the computers "Local" setting for the field sseparator during the conversion of the Excel file to a CSV (Comma Separated Value). You can revert back to the original separator after the file has been imported.
Follow the procedure below to change the separator comma.
1. Open the Windows Start Menu.
2. Open "Control Panel"
3. Open the "Regional and Language Options" dialog box.
4. Click on the Regional Options tab.
5. Click "Customize".
6. Type a Comma (,) in the "List Seprator" box.
7. Click OK twice.