What is the difference between a workbook and worksheet in Excel?

a$.$

A workbook, also known as a spreadsheet or simply a "sheet," is a single tab within a worksheet.

b$.$

A worksheet in Excel is a file that contains multiple workbooks.

c$.$

A workbook has $.$ xlsx file extension, while a worksheet has $.$lmx extension.

d$.$

A worksheet helps organize related data, while workbooks within a worksheet allow you to structure and analyze that data separately.

e$.$

A workbook in Excel is a file that contains multiple worksheets.