Hello

Sorry for the Inconvenience, may be the Emails are not synchronizing on MSN Explorer.

To fix the issue please follow the below steps:-

Click on MSN Explorer icon ( Butterfly icon)

Select the email account from the welcome screen (do not Sign in)

Press Ctrl+Shift+F9 at the same time

You will get the confirmation Pop up stating we are about to remove all MSN Data

Please Click on OK

Re-launch MSN it will download all the emails.

If Issue persists please follow the below link to contact the MSN Technical support team.

https://support.microsoft.com/en-us/contactus/msn/explorer-tech-services/

Thanks

MSN Support Team