What if I have two-step verification on for Yahoo and cannot sync my calendar?

(1) Sign into your Yahoo Mail account.

(2) Click on your username in the upper-right corner, and select Account Info.

(3) Visit the section labeled Account Security in the left sidebar.

(4) Select Generate app password at the bottom of the page.

(5) Here, you will be able to generate an app password.

Note: You will need to select "Other App" in the drop down to proceed.

(6) Enter this newly created app password when prompted in the application during the syncing process.

(7) Click on the green “SIGN IN” button at the bottom.

(8) Continue through the steps to sync your Yahoo account with calendar.