The most basic unit of spreadsheet in excel is

The most basic unit of a spreadsheet in excel is a cell.

Excel (one of Microsoft's Office software) generally refers to Microsoft, Office and Excel. Microsoft and Excel are one of the components of Microsoft office software Microsoft and Office, and they are spreadsheet software written and run by Microsoft for computers with Windows, Apple and Macintosh operating systems.

Excel spreadsheet is an important part of Microsoft office suite software, which can handle all kinds of data, carry out statistical analysis and assist decision-making operations, and is widely used in many fields such as management, statistical finance and finance.

Demonstrate an example: how to protect a worksheet.

Before setting the protection worksheet, first confirm whether the cell to be protected is locked, select and right-click the cell, select Format Cell in the pop-up menu, and select the Protection tab to confirm that the locked item is selected. By default, both cells and graphic objects are locked. At this time, if the setting sheet is protected, the corresponding information cannot be modified.

The method of protecting the worksheet is as follows: Select Tools → Protect → Protect the worksheet. In the dialog box that opens, there are three multiple options: content, object and scheme. If you want to prevent and modify data and other information in cells or charts in the worksheet and prevent hidden data rows, columns and formulas from being viewed, select the Contents check box.

If you want to prevent or change the graphic objects in the worksheet or chart, you should select the object check box; If you want to prevent or change the definition of a scenario in the worksheet, you should select the scenario check box. Finally, in order to prevent other users from unprotecting the worksheet, please enter the password in the password text box.