The primary account which records all the financial transactions in a tally is

In Tally software, all financial transactions are recorded through vouchers.

A voucher in Tally is a document that captures the details of a transaction. Every entry in Tally must be made through a voucher, making it the primary recording mechanism.

Tally operates on a voucher-based system with different voucher types for different transactions:

• Payment Voucher (for cash/bank payments)
• Receipt Voucher (for cash/bank receipts)
• Sales Voucher (for sales transactions)
• Purchase Voucher (for purchase transactions)
• Journal Voucher (for adjustment entries)
• Contra Voucher (for cash-to-bank or bank-to-cash transfers)

When a voucher is entered, Tally automatically posts the entry to the respective ledger accounts and maintains all books simultaneously.

Journal (Option 1) is a manual accounting concept and not the primary recording tool in Tally. Balance Sheet (Option 2) is a financial statement generated from recorded data, not a recording medium. File (Option 4) is merely a storage concept.