How to Change Your Sending Name in Yahoo Mail
If you want to change your funky Sending Name to something professional, you can easily change the from or Sending name, which gets displayed to your recipients by following these steps.
1.) Log into your Yahoo Mail account.
2.) Move your mouse cursor to the Gear icon and select Settings.
3.) Click Accounts option in the window and select Yahoo email account.
4.) Click on your Yahoo Account
5.) Simply enter the New Name which you want to keep in the Your Name field and click save when you are done.