How to clear obsolete data on Sage 300 Accounts Payable Steps: Open Accounts Payable > A/P Periodic Processing > Clear History. Select the types of records you wish to clear.Specify the ranges for each type of record.Type the dates or fiscal year and period for which to clear.Click Process. Support If necessary, seek the assistance of Acute Data Systems to help provide assistance with this process. Sage 300 Request Support