Tally is one of the most favorite accounting software of all.But very less people know about My Tally. MyTally is the Tally with my look and feel. i.e. tally can be customised according to your needs. or it can be linked to any external software.!!!!!
Yes it is possiable to change default tally according to demand some exampls normally needed by traders are
Customisations In Tally
1. Need Invoice according to there look i.e. MyInvoice
2. Some bussioness also need to add logo to there invoice ( ! Yes it is possiable)
3.Need some aditional fields in LedgerStockItem Or Any Master (eg.Pan card Number.)
4.Add more fields in sales invoice like Salesman Field, Exise details or any other fields according to requirement
5. Some may needs to have reports according to there format (no need to export to excel then edit the format as required by the compoany)
6.Many others can be possiable as desired by the customers

Link Tally