File formats of the imported or exported file for parent nodes (Phone, Outlook, Express or Notes) are: mdb, xls.
File formats of the imported or exported file for child nodes (SimCard, contact) are: vcf, mdb, xls, csv, htm, txt.
Choosing a folder of phonebook manager, “Right-click -> Export” or select -> “Export To File”, you can backup your contacts to PC.
You can import backup file by selecting node and “Right-clicking -> Import”.
If the format of the backup file is mdb or xls, a parent node with the same name as the backup file will be created and shown in tree list. Just copy items of the parent node to the phone node, and then execute the upload operation, the data in the backup file will be restored to phone. If the format of the backup file is one of other formats, the content of the backup file will be imported into the selected node directly.
You can delete the imported folder by “Right-click -> Remove”.