Today, Microsoft Excel is the most popular and widely used spreadsheet program, but there are also many alternatives. Although spreadsheets are typically used with anything containing numbers, the uses of a spreadsheet are almost endless. Below are some other popular uses of spreadsheets.
An active worksheet is the worksheet that is currently open. For example, in the picture above, the sheet tabs at the bottom of the window show "Sheet1", "Sheet2", and "Sheet3", with Sheet1 being the active worksheet. The active tab usually has a white background behind the tab name.