1. A system for creating a report in a spreadsheet, the system comprising: a central processing unit; and a memory encoding instructions that, when executed by the central processing unit, cause the central processing unit to create: a data source module programmed to identify sources of data items associated with the spreadsheet; an active module programmed to identify which of the data items are associated with the report that is generated in the spreadsheet; and a display module programmed to display on a field pane with an active tab and an all tab, the active tab displaying those data items that are determined to be associated with the report that is being generated in the spreadsheet, and the all tab displaying all of the data items associated with the spreadsheet.