He held his breath and imported the first TXT into Tally v10.
Arjun opened TallyPrime (v11) and began a systematic extraction.
“Manual re-entry?” he muttered, looking at 14,000 ledger entries, 2,300 stock items, and three years of vouchers. “That’s three weeks of work. I have six hours.”
They matched. Down to the last rupee.
By 4:45 AM, all masters and vouchers were in. He opened the Trial Balance in Tally v10. Then he opened the PDF from v11.
The answers were a graveyard of bad news.
“Converted to v10. No data loss. Opening balances verified.” how to convert tally data version 11 to 10
He tried importing the cleaned CSV into Tally v10 using Import of Masters (Gateway → Import → Masters). The screen flickered. Then, the red error box appeared: “Invalid Format. Date field mismatch in Voucher Type ‘Sales’.”
On a separate folder, he installed Tally.ERP 9 (Release 10) – the target version. He created a new, empty company named “Shanti_Converted_v10.” Then he opened the Excel files. The v11 export had extra columns: Is GST Registered? , Bill-wise expiry dates , and a weird UDIMasterType that v10 would vomit on.
At 5:58 AM, he exported the final Company Data Backup from Tally v10 as a .900 file (the old format). He emailed it to Mr. Mehta with a single line: He held his breath and imported the first TXT into Tally v10
Of course. v11 had enhanced date handling for e-invoicing. v10 used a simpler calendar.
Arjun stared at the blinking cursor on his laptop screen. The coffee beside him had gone cold two hours ago. Outside his small office in Ahmedabad, the city slept, but for him, the nightmare had just begun.
“How to convert tally data version 11 to 10?” “That’s three weeks of work