How to Generate a Yahoo App Password

Yahoo Mail requires an app password instead of your normal password.

Third-party email apps (like our IMAP migration tools) that do not use the official Yahoo sign-in page require a special one-time password called an App Password. This is necessary if you have two-step verification enabled, or Yahoo has blocked less secure sign-ins.

An App Password is a randomly generated code that allows external apps to access your Yahoo account securely — without your main password.

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🔧 Steps: How to Generate a Yahoo App Password

1. Go to the official Yahoo Account Security page:
   👉 https://login.yahoo.com/account/security
2. Sign in with your Yahoo email and password
3. Click “Generate app password” or “Generate and manage app passwords”
4. Click “Get Started”
5. Enter a name for the app (e.g. syncmail.online)
6. Click “Generate password”
7. Yahoo will show you a one-time 16-character password
   → Copy this code
8. Use this password (not your normal one) when you use our IMAP sync tool.

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How to Delete an App Password

1. Visit the same page: Yahoo Account Security
2. Click “Generate and manage app passwords”
3. Click “Delete” next to the app you want to revoke
4. Confirm by clicking “Delete”