The following steps help you transform names and addresses you’ve saved in Google Contacts into a standard (comma-separated value or .csv) file you may use as a data source for postal service ...

You can create a CSV file with programs that include Excel, Google Sheets and OpenOffice Calc, as well as simple word processing programs like Notepad.

CSV files are special text files that are quite common when dealing with spreadsheets. Here's how to open and make them.

Choose to save your contacts as a CSV file, depending on if if you want to export to a Google or Microsoft Outlook account, or a vCard (Virtual Contact File) for other services.