You can easily void a cheque that was already recorded in QuickBooks Online.
You can void a cheque from the Cheque page, which lets you review the details of the original transaction.
To void a cheque:
From the left menu, select Expenses.
On the Expenses tab, select Filter.
In the Type field, select Cheque.
When prompted, select Yes to confirm you want to void the cheque.
The cheque is voided.
You can void a cheque from the Expense Transactions list, without opening the transaction.
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