- If you have forgotten your password , you will not be able to continue. Please see our article on recovering a lost or forgotten password for help signing in.

Messenger stores that sign in information until you manually go back in and change it. Therefore, if you change your Yahoo! account passwo...

account. The change will affect all Yahoo! desktop, web, and mobile services. Please be sure to update your mobile apps and email clients ...

After you password is recovered, we recommend you go into the Yahoo! Account Information page and add your mobile number. Our article entitled How to add or change<...

This document describes how to reset Messenger so it prompts for your id and password at each sign inMessenger 11.5 | Messenger 11 | Messenger 10 and earlier

For US and Canadian customers, password resets can also be accomplished using a mobile phone or other SMS device, if you have previously added the number to your account.<...

This article describes steps for changing your username , how to get a new screen name for chat, and how to set up a new ID

Open Yahoo! Messenger and sign in .

Sign in to Yahoo! Messenger on your Android phone. Tap the physical Menu button on your phone.