1. Go to Reports > Management Reports > Utilities > Multi Editing > Multi Changes in old bills.

2. A multi transfer window will appears.In 'Type' set "Sale,Purchase,Sale return etc' as per the requirement.Feed date range.Click on Accept.

3. A selected date all entries will appear.Select entry by pressing space bar or Plus(+) key & press (*)key for all entries selection.

4. Now,press "F6" function key.

5. A Be careful ! window will appears.Press enter on Convert to Sold But Not Bill.

6. A select company window will appear.Press enter for particular Company and press '*' key for select all company.Press enter.

7. An items window will appear.Press enter for particular item and press '*' key for select all items Press enter.

6. In next window user will type SURE.