How to generate a Yahoo App Password
A Yahoo App Password is a 16-character token that gives Klearbox limited IMAP access to your mailbox — nothing more. Revoke it any time.
Sign in to Yahoo Mail
Go to mail.yahoo.com and sign in to your account.
Open Account Security settings
Click your profile icon in the top right corner, then click "Manage your account". In the navigation, find "Security" → "App passwords".
Select app type
Under "Select your app", choose "Other app" from the dropdown.
Name the app
In the "Enter your app name" field, type "Klearbox" (or any name you prefer — this is just a label for your reference).
Click Generate
Click "Generate password". Yahoo will display a 16-character app password.
Copy the password
Copy the 16-character password. It is shown only once — if you lose it, you will need to generate a new one.
Enter it in Klearbox
Paste the app password into the "Yahoo App Password" field in Klearbox's connect screen.
Important security note
- • Never share your App Password — treat it like a password
- • Klearbox stores it encrypted until you remove it from Settings or delete your account
- • You can revoke it at any time in Yahoo → Security → App passwords
Two-factor authentication requirement
Yahoo requires two-factor authentication (2FA) to be enabled before you can create App Passwords. If you don't see the "App passwords" option, enable 2FA in Yahoo Account Security first.