Open Tally Prime
Go to the company data you want to split
Press Alt + K
Select Split Company Data
Choose the split date
Confirm the split date
Select the destination folder if prompted
Start the split process
Wait for the split to complete
Verify the newly created company data
Check both old and new data for accuracy
Take a backup before splitting
Ensure no users are working in the company during split
Use the correct financial year end date
Reopen the split companies if needed