If you receive a message in Mail or Calendar for Windows 10
that your account settings are out of date, there are several things you can do
to fix the problem.
Check your password.
The most common cause of an out-of-date account is an
incorrect password. Select the Fix account in the notification bar
at the top of the Mail or Calendar app. If your password is incorrect, you'll
see a message asking you to update your password. Enter the new password and
choose Done.
Tip: If you want to change the password for your
account with your email provider—for example, Gmail or iCloud—you'll need to
visit the website for your email provider. See Change
your password for more information.
Check your security certificate
If your password isn't the problem, you may have a
certificate error. If so, you'll see a message that says, "There is a
problem with the server's security certificate. The security certificate is not
from a trusted certifying authority."
This error often happens when you don't use SSL to secure
your email account.
To fix this error, use the following steps.
- Choose Settings > Manage Accounts.
- Choose the account that's out-of-date to display the account settings dialog.
- Choose Change mailbox sync settings > Advanced mailbox settings. You may have to scroll down in the dialog to see Advanced mailbox settings.
- Check the boxes for Require SSL for incoming email and Require SSL for outgoing email and then choose Done > Save.