Example : "ABC Co" appears twice in the Ledger list in Tally. Why does this happen ?
Ans:
This problem arises when you incorrectly use copy/paste from Excel into Tally. Let's try to reproduce this situation
Wrong Method
Step 1. In Excel: Press Ctrl+C to copy the ledger
Presume the ledger name is "ABC Co".
Step 2. In Tally : Press Ctrl+Alt+V to paste the ledger.
The above steps will create a ledger in Tally.
Step 3. Now, try manually creating another ledger with the same name i.e. "ABC Co"
Surprisingly, it gets created and there are two ledgers named "ABC Co" in Tally
Correct Method
Step 1. In Excel : Press F2, select the text and press Ctrl+C to copy
Presume the ledger name is "XYZ Co".
Step 2. In Tally : Press Ctrl+Alt+V to paste the ledger.
The above steps will create a ledger "XYZ Co" in Tally.
Step 3. Next, try manually creating another ledger with the same name i.e. "XYZ Co". It won't get created.
Conclusion
Do not use Ctrl+C to copy the Ledger from Excel; instead first press F2, select the text and then press Ctrl+C to copy it.