Explain how to check for duplicate invoice or sales receipt in quickbooks?

To check for duplicate sales (invoice, sales receipt, etc.) numbers:

• Select Transactions -> Sales
• Click the number column to sort it
• When the sales populate, it toggles the numbers in ascending and descending order
• Check for duplicates

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If you need to check for duplicate expense (checks, bill, etc.) numbers:

1. Choose Expenses at the left.
2. Click the No. column to sort it.
3. When the Expenses populate, it toggles the numbers in ascending and descending order.
4. Check for duplicates.

If you need to check for duplicate sales (invoice, sales receipt, etc.) numbers:

1. Choose Invoicing or Sales at the left.
2. Click the No. column to sort it.
3. When the Sales populate, it toggles the numbers in ascending and descending order.
4. Check for duplicates.

You can contact QuickBooks Customer Support team for help.

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