Note: While these steps can be completed using most smartphone and tablet devices, we recommend making any changes to your account information with a desktop or laptop com...

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

The Yahoo! Password Helper can walk you through the password recovery process (The specific steps are below). After you password is recovered, we recommend you go into the Yahoo! Account Information page and add your mobile number.Messenger Mobile | Messenger iPhone | Messenger Android

To ensure the security of your account, please understand that we cannot reset your password if you are unable to verify your identity cor...

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

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 .

Open and sign in to Yahoo! Messenger app on your device. On your device, press the menu button. Tap Options

This is useful for troubleshooting problems that might be caused by settings that were previously changed after installation. When you delete personal settings, some web pages that rely on previously stored cookies, form data,Messenger 11.5 | Messenger 11 | Messenger 10 and earlier

To switch languages, just click on your preferred language on the sign-in page . 174858