There are certain softwares that allows us to shift data from excel to tally or anyother format to tally. We can even get it done through some of the online websites. TALLY ERP .9 DOES NOT PROVIDE HELP IN DATA MIGRATION .
Please refer this link
http://www.tallysolutions.com/website/html/solutions/data-migrationtools.php

export the movement of goods out of one country to an other. For example a Nigerian moving goods to India
import simply mean moving goods inside a country from another country