Open either the Manage Reports or List Reports page.
Select Reports from the top menu. The Select a Report page displays.
Select Setup > Manage Reports or List Reports from the side menu.
Select the Icon next to the report you want to edit.
Edit the report settings as desired.
Add custom columns to the report, if required.
To reset to the last saved settings, select Reset to Defaults.
Select Save. The changes will be applied the next time the report is run.