1. Go to Maintain, Inventory Items
2. On the General tab, select the Beginning Balances button.
3. From the item list, enter or select an Item ID that you want to record a beginning balance.
4. If you select a serialized item, the Serial No button will become available. You will need to enter serial numbers for these items after you have entered a quantity.
5. For each item, enter two of the three fields: quantity (on hand), unit cost, and total cost. The third or remaining field will automatically be calculated.
6. If the item that you are entering beginning balances for is a serialized item, select the Serial No button to enter serial numbers for this item. The Serial Number Entry window appears. Enter the serial numbers you need and select OK when you're finished to return to the Inventory Beginning Balances window.
7. When finished entering beginning balances for all your inventory items, select OK.

Note: The Total Beginning Balances amount in the lower right should match the Inventory account's beginning balance in the chart of accounts beginning balances.

Note: To enter beginning balances as inventory adjustments see Article ID 10099 (How to enter inventory adjustments) in Related Resources