A CSV (comma-separated values) file is a simple 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 ...

The CSV file format, defined by its comma separated values, produces text that can form the basis of a spreadsheet or database file. Within each line, or record, individual pieces of information ...

To export contacts from Microsoft Outlook, you'll need to use Outlook's "Export to a file" feature, which is built-in.

Google has updated the help document for file types indexable by Google to include Comma-Separated Values (.csv) in the list. I doubt Google was not bale to index those files before, and I wonder if ...