How to Undo a Bank Reconciliation in QuickBooks Online
To reverse a bank reconciliation in QuickBooks Online, go to the Gear icon in the top right and click on Audit Log. This will show you a list of all activities in your account. Next, find the reconciliation you want to reverse by filtering for transaction type and date range. Once you find it, click on the View button next to the entry. To reverse the reconciliation, go to the Banking tab, click on Reconcile, and then the account you reconciled.