Open the NAVIGON app.
Go to Main Menu> Enter Destination> Favorites & Contacts and tap Edit in the upper right corner.
Touch "Transfer Favorites".
Now select an option (for example, Mail, iCloud, etc.) how your favorites should be saved.
Send the secured file "NAVIGON.favourites" (for example, by mail, WhatsApp, etc.) or search for it on your cloud (for example iCloud, Drive, etc.).
Open the file and the favorites are automatically imported into the NAVIGON app.
ATTENTION: all your previous favorites will be overwritten.