Tally 9 software language is XML and all your file recorded in this language in tally 9 . So if you have worked in any other version of tally means you have worked in tally 7.2 now you can import it or any person's one branch is outstation if he want to import data , the he can do this work very easily , for doing this you have to just follow the following steps .
Make your XML file of your master data and voucher data .
Open tally 9 and then select the company where you have to imported
On the gateway of selected company , click import . Here you will see master or voucher select on your choice .
write the name of your XML file .
After this tally 9 automatically import your XML file