In Yahoo, for example, click Contacts, then Tools, then Export, and select the Yahoo CSV option. To import the CSV file, open Gmail on your PC (not your phone!), click the Contacts tab on the left-hand side, then click the import button.Select the CSV file in Google from wherever you stashed the CSV file on your PC.o do this, select the File tab in Outlook and click Import and Export.. Select Export to a file, pick Comma Separated Values (CSV), and select the calendar you want to export. Then, go into Google Calendar, click the Settings tab, click Import Calendar, and select the CSV file you exported earlier.