You don’t need to get panic if you have lost your yahoo contacts. Because there are lots of solutions are available on the internet. You can also check out the steps, given below if you want to:
First, log in to your yahoo mail account and click on the “mail” button on the top right corner.
After then click on the “contact” icon
And then, you will see the “delete contact” option, Simply click on it and then, click on the “Restore from backup” option.
And finally, click on the “Done” button.