You can export your Gmail Contacts list into a .csv file. Please follow the steps below.
Sign in to Gmail.
Click Gmail at the top-left corner of your Gmail page, then choose Contacts.
From the More drop-down menu, select Export....
Choose whether to export all contacts or only one group.
Select the format in which you'd like to export your contacts' information. Please note, some of these formats can lose some contact information.
To transfer contacts between Google accounts, use the Google CSV format. This is the recommended way to back up your Google Contacts.
To transfer contacts to Outlook, Yahoo! Mail, Hotmail, or various other apps, use the Outlook CSV format.
To transfer contacts to Apple Address Book, use the vCard format.
Click Export.
Choose Save to Disk then click OK.
Select a location to save your file, and click OK.
You can view Google's instructions for how to export your Google contacts here.
From the More drop-down menu, select Export....
Choose whether to export all contacts or only one group.
