After that, you have to click on the Yahoo account and choose Delete Account.

Now, you have to start the Mail app and click on the Accounts that appear in the left panel of the Window just under the New Mail.

The error might get fixed if you remove and then, re-add the Yahoo account to the Mail app The Yahoo account issue might be the result of a temporary issue in the communication system module. Method 4- Re-add the Yahoo Account to Mail App

Upon restart, check if you can use the Yahoo account with the Mail app.

Then, check if there is an update for the Mail app is available and if yes, then update the Mail app and restart your system.

Now the Microsoft Store will be started with the Mail app page and if it doesn’t work then, close the Microsoft Store and follow step 2 again.

After that, press the Windows key and type Mail and then, right-click on Mail and choose Share.

Update the System Windows to the latest version and make sure that there is no optional update is left over.

In this scenario, updating the Windows and Mail app of the system to the advanced version might fix the issue immediately. You might fail to add the Yahoo account to the Mail app if the Mail app of the system is not updated to the advanced version as it can create incompatibility between the OS modules. Method 3- Update Windows and Mail App to the Newest Version

Then, check the boxes for Require SSL for the incoming email and Require SSL for outgoing email and then, select Done and Save.

You might have to scroll down in the dialog to see the Advanced Mailbox Settings

After that, select Change mailbox synchronization settings and Advanced mailbox settings.

Now, choose the account that is out of date to display the account settings dialog.

First of all, you have to select Settings and Manage Accounts.

To fix this error, you have to use the following steps. This error might occur when you don’t use SSL to keep the email account safe and secure. The security certificate is not from a reliable certifying authority.” If so then, you will see a message which says, “There is an issue with the security certificate of the server. If your password is not the issue then, you might get stuck with a certificate error. Enter the new password and then, select Done. In case, if the password is incorrect you will see a message prompt you to update your password. The most common cause of an old or out-of-date account is a wrong password and you have to choose the option to Fix account in the notification bat that appears at the top of the Mail or calendar app.

Method 4- Re-add the Yahoo Account to Mail App.

Method 3- Update Windows and Mail App to the Newest Version.

Method 2- Check the Security Certificate.

Windows 10 mail out of date