How to open the New Voucher Prefix?

Step 1) Go to Master > Other Master > Voucher Prefix Setup Step 2) Click on Add (Alt + A) Step 3) After that select Transaction type like sale , Purchase , Cash , Bank and Journal Entry Step 4) Add Prefix in box you can use 5 alphabetical only. Step 5) After that add start from the Voucher add. Step 6) Select default Book name , Format , Memo type and invoice type. Step 7) After that Press Save (F2)