Why does Yahoo Mail keep signing me out even the "Keep me sign in" option being checked

Because you can quickly get exhausted of having to systematically indicate the username and password of your account to connect to Yahoo Mail, there is a very simple solution for this issue which is called the "keeps me login" option on the Yahoo login page. 

However sometimes the "stay Connected" option is enabled on the Yahoo Mail login screen by default, still, Yahoo may ask you to log in each time you visit the Yahoo login page.

The problem is login cookies, which are bits of data that help identify you and tell Yahoo that you've been there before.

What are login cookies in the browser?

The cookie that your browser collects when you visit Yahoo Mail only connects to the browser and device you were using at the time of your visit. As long as you visit the login page with the same device and browser, you will not have to log in again and again.

If you try to log in with another device or browser, Yahoo will not notice the login cookie, so you will require to enter your username and password.

How to Stay connected with Yahoo

You can restrict your computer from deleting the cookies from your browser, including those for your Yahoo Mail login credentials, in several ways:

1.  Prefer to stay connected while login to Yahoo Mail
2. Do not go out after using Yahoo Mail.
3. Don't use private browsing while accessing Yahoo Mail.
4. Do not delete the cookies of your web browser.

List of private browsing names and function:

• Google Chrome: Incognito Mode

• Microsoft Edge: InPrivate Browsing

• Mozilla Firefox: Private Browsing
• Safari: Private browsing

Conclusion

This is how you can Stay Signed In To Yahoo account, well if you find any trouble while following these above steps, then you can read our complete article here or you can comment below to get help.