You can report on various different Debtor/Unpaid Bill reports some of these reports run as current and some run retrospectively, each report will tell you in the report notes on the bottom of the right-hand side of the screen if it can be run retrospectively.
You can find these by going into the below area:
From the Main Menu go to Advanced Report Execution.
Select the Accounts Standard folder.
Then the Debtors folder.
Select the report that gives you the information you need as some of the reports run with different grouping and show different details.
Select the Period/Date and the format you require the report in by selecting the Output box.
Select ACCEPT to run.
The Aged Debtors by Fee Earner report includes the Matter Type.