Create email folder in Yahoo

1. Click the '+' symbol next to 'FOLDERS'.
2. Type in the name of the folder and click 'Ok'.

Create email filter using Yahoo mail

1. Click the gear in the top right of the screen.
2. Click the 'Filters' option on the left side of the screen.
3. Click the '+Add' button at the top of the screen.
4. Enter a name in the 'Filter Name:' field.
5. Type in the email address you want to filter in the 'Sender' field and select 'Contains'.
6. Select the folder you want to send the filtered emails to in the 'Then deliver the email to the following folder. drop down menu.
7. Click the orange 'Save' button.