If you are working in tally 7.2 and want to work on tally 9. Then tally 9 is giving you a very good and new facility of migration. It means now you can easily transfer your all data from tally 7.2 to tally 9 .This can be possible if you have valid tally 9 license. After getting license. You follow the following step for migration
1 Click my computer and click you c drive where you have install your tally 7.2 and tally9
2 Here you will see tally folder , click it
3 In this folder you will see tally migrate file , click this file
4 After this tally 9 server take all your tally 7.2 file in tally 9 .If you have not valid license, then migrate file will not work.