Forget my yahoo id password and secret question?

The video contained in the following article shows you how to recover your userID or password using a mobile phone number, an alternate email address, or by answering your security questions

https://help.yahoo.com/kb/yahoo-account/SLN2081.html?impressions=true

If you do not have a non-Yahoo! alternate email address, valid mobile number, or cannot verify your security questions you will need to contact Yahoo Customer Care.

In the US Call 1-800-318-0612
International users Call 1-408-916-2100

If you want email support for this issue, here's how you get it.
Start here - https://io.help.yahoo.com/contact/index?page=home&locale=en_US
Click on "Yahoo Mail" and select the version you need help with.
Under Topic select "Password and sign in"
Under Subtopic select "Change password"
Under Recommended Options you will find more information.
One option is to click on the "Email" link
Fill out the form completely. The more information you provide the better we can assist you.
Click the "Create Request" button

If you're able to recover your account here's some guidelines for creating a secure, strong password - https://help.yahoo.com/kb/mail/SLN3012.html?impressions=true

You should also edit your account information and update your mobile number and alternate email address.

Editing your Yahoo! Account Information - https://help.yahoo.com/kb/mail/SLN2717.html?impressions=true

Verifying alternate email addresses or mobile numbers - https://help.yahoo.com/kb/mail/SLN3544.html?impressions=true

Once you're able to change your password it would be a good idea to review your security questions and make changes if you don't remember your answers.

Changing your security questions - https://help.yahoo.com/kb/mail/SLN2031.html?impressions=true

I recommend using a password manager like Keepass or LastPass to create and store strong unique passwords for the sites you visit. You can also save notes like your secret questions and answers to the password entries. LastPass can automatically log you in to any web site you have stored in its database.

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