.TP
\fB \-e [\-\-export]\fP \fIfmt
where fmt is the export format of choice.
+Look on Tools->Preferences->File formats->Format to get an idea which parameters should be passed.
.TP
\fB \-i [\-\-import]\fP \fIfmt file.xxx
where fmt is the import format of choice and file.xxx is the file to be imported.