A great way to speed up your processing is to hide deleted transactions from your lists, activity windows and reports. You can do this in a couple of simple steps. Let's take a look.
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Hide deleted transactions
Click Settings and click Company Preferences then click Parameters.
Select the Exclude deleted transactions check box then click OK.
Deleted transactions still appear in the Transactions window so you always have a clear and complete audit trail, but if required you can hide them from the Transactions module using this filter >
Transaction deleted flag