How to Open Multiple CSV Files in One Excel Spreadsheet. The CSV file extension appears on text documents that contain comma-separated values. Like spreadsheet data, each line in a CSV file ...

A CSV (comma-separated values) file is a simple text file in which information is separated by commas, and is common in spreadsheet apps.

You can insert or generate the data for the CSV file in Microsoft Office Excel 2007 and then save the file in CSV format. CSV files outputted by Excel 2007 can be used in any program that can read ...

Step #1: Export Excel Contacts as CSV Here, to save Excel contacts to Outlook account, initially, you have to save the XLS file into CSV file format.