How To Protect Worksheet In Excel 2007. A worksheet, in the word’s original meaning, can be a sheet of paper on which one performs work. It’s a printed page that a child completes with a writing instrument. No additional materials are needed. It is”a sheet of paper where work schedules, working time, special instructions, etc. are recorded. A piece or scrap of paper about which problems, thoughts, or the like, are put down in tentative form.” In schooling, a worksheet may have questions for students and places to document responses. In accounting, a worksheet is, or has been, a sheet of ruled paper with columns and rows on which an accountant could record information or perform calculations.