Take backup of all of your phones contacts . You can also email the contacts .vcf file to your email.
* Run the application.
* Click on "Backup Contacts" button.
* This will create a .vcf file of your contacts.
* Hit "Email Contacts file" to email this .vcf file , so that you can restore the contacts to any other system or phone.
Up to six family members will be able to use this app with Family Sharing enabled.