Worksheet is combination of cell which keep and manipulate the data and each workbook can multiple worksheet. Worksheet is the name given to the large grid where you perform your calculations. Sheet is a single page in a file with an electronic spreadsheet program such as Microsoft Excel or google sheets. When you open an electronic spreadsheet program it loads an empty workbook file which consists of one or more blank sheets to work on. By default worksheets are names as sheet1, sheet2, and so on, but you can change this name from your ends.