Email, Messaging, & Video Calls Email Restore or Import Your Gmail Contacts From a CSV File By Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated August 18, 2019 Gmail Email Gmail Yahoo! Mail Tweet Share Email Importing Gmail contacts from another account or restoring your contacts from a backup CSV (comma-separated value) file is easy. Here's how. You also can restore a previous state of your Gmail contacts from automatic Google backups. Open Contacts in Gmail. Select More > Import. Press Select file and choose the google.csv file you want to import or restore. Click Import. If you change your mind, simply select Undo from the dialog box that appears. In the process, Gmail automatically detects and merges duplicates email addresses, but not names. If a contact has been updated, Gmail adds the new information but doesn't delete the old.