How to import a contact list?
Select an existing contact book or create a new one. At the bottom of the contact list, select Import contacts (CSV) from the options menu.
At the moment only CSV files built using the Gmail and Outlook formats are supported. Learn how to export a contact list from Gmail and Outlook. If your CSV file is from another source, you can easily adapt it to the Outlook format based on this demo CSV file.
Also know that we support automatic contact syncing with Office 365 and Google accounts.