how to convert excel contacts to csv format?
['In your workbook, click the worksheet with the contact information you want to import.', 'Click File > Save As.', 'Choose where to save your file.', 'In the Save as type box, choose CSV (Comma delimited) (*. ... ', 'Click OK. ... ', 'Click Yes to have Excel save the current worksheet as a CSV file. ... ', 'Close the CSV file.']