You can import CSV / Delimited File or Excel File from Google Drive.
Input parameters are same Text File (CSV, delimited) import and Excel File import.
Click the Preview button to see the data in CSV / Delimited or Excel File. You can limit number of rows for the preview by selecting number from pulldown list on the preview table. If it looks ok, then you can click 'Import' to import the whole CSV / Delimited or Excel data into Exploratory.