Import/Export SMS messages
You can import or export to text file or vCard by "Import" then "Export selected..." commands in File menu or by dragging&dropping the files (text, vCard). The unregistered version doesn't support the export feature.
You can change the Import and Export arrangement fields to text format in Preference window:
Here you can set the importation and exportation fields arrangement by dragging the field in the preferred position. Select the checkbox beside the field to insert it for importing or exporting actions.
The default field separator is the TAB/comma key but you can customize it. A sequence of characters is also supported as customized separator.
Importing SMS messages
The Import function (File->Import...) lets you import SMS messages from text file previously exported or made by yourself using a text editor. The imported SMS will saved into the memory or the current group. For that before going this action you should select a memory or a group where import to. You can also import SMS messages by dragging onto SMS Message List text file.
Exporting SMS messages
Before using the Export function (File->Export...) you should select SMS messages you want export to by mouse or by keyboard with Shift or Command keys for multiple selections.