Tally 54 Data Converter To Tally 72 Updated Link -
You cannot simply copy the Tally 4.5 folder and paste it into the Tally 7.2 directory. The internal database structure changed significantly between these versions. Tally 4.5 used a different file architecture, whereas Tally 7.2 moved toward a more robust Windows-based data handling system.
When a user opens a Tally.ERP 9 (Data 54) company in TallyPrime 3.0 (Data 72), the software forces a conversion. Here is the typical workflow and where "interesting" errors occur. tally 54 data converter to tally 72 updated