A most recently used reports list is automatically generated when you use Dashboard. You can access the recent reports list from the Recent hyperlink in the banner.
This image shows all of the options available for this report type from the Recent Items dialog box, for example, Run, Run Deferred, and so on. You can also view when the report was last requested by hovering over the report.
You can clear all items from the Recent Items list by clicking Remove All from the Recent Items dialog box. To remove an individual item, right-click the item in the Recent Items list and select Remove.