QuickBooks users are frequently agonized with slow performance of the software, and numerous times it's due to the fact that the QuickBooks train has grown veritably large. One of the main reasons that file sizes grow large is the Inspection Trail function in QuickBooks, which tracks all deals, variations and elisions. You can increase the train performance by clearing the data in the inspection trail train when it's no longer demanded.Let's look at how to delete audit trail in QuickBooks .