When you transform a Microsoft Excel spreadsheet into comma-delimited text, the output process substitutes punctuation for the divisions among the rows and columns within a worksheet.

In Excel 2010, click the "File" tab, click "Save As," and choose "CSV" as the file type. This method will save the topmost worksheet as a comma-separated values file.

A CSV (comma-separated values) file is a text file in which information is separated by commas. CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to ...