Saving your contact list to a CSV file
Comma Separated Values (CSV) is a standard file format that allows you to store alphanumeric data in plain text. When importing your contact list into DISCO, you will need to upload the list as a CSV file.
You can find instructions below on how to save your contact list to a CSV file using several common spreadsheet programs.
Select File > Download as > Comma-separated values (.csv, current sheet)
Click File > Save As > This PC
Under "Save as type:" dropdown, choose "CSV UTF-8 (Comma delimited)"
Click File > Export To > CSV
Then click "Next..."