my question was not for remote backups, I want to access Mycloud Ex2 from any place from a different location via the mapping folder.
for example for Mycloud home, there is a desktop application that can be downloaded from the portal the same feature was not available for Mycloud Ex2.
Have you opened a Support Case? If not opened, for more information, please contact the WD Technical Support team for best assistance and troubleshooting: https://support-en.wd.com/app/ask