You can lock certain cells to prevent them from being modified when a worksheet is password protected.

You can prevent users from viewing hidden worksheets, adding, moving, deleting, or hiding worksheets, and renaming worksheets when a workbook is password protected.

If using macros or VBA code in your spreadsheet, you can lock the VBA editor to prevent users from viewing or editing your code.

You can set up data validations to control and restrict the types of data that can be entered into the input cells. Acceptable data types, values or range of values, and formats can be specified.

You can add a dropdown list as your data input to restrict to a predefined set of values, reducing the risk for data entry errors and enforcing consistency in data formatting and terminology.

You can keep track of changes made in Excel, which is especially useful when making revisions in a spreadsheet.

You can lock a file to make it open as read-only and prevent accidental changes to the spreadsheet.

You can encrypt a file with a password to prevent unauthorized access to the spreadsheet.

You can apply a designated fill color to input cells to enhance the user experience when working on a spreadsheet. This helps prove clarity on where data input is required and reduces the chances of overlooking those cells.

You can add a unit of measurement in the cell format of certain cells to provide clarity and readability to users. This can also help prevent conversion errors or misinterpretation of a numeric data.

You can run a spell check within a worksheet to identify and correct any spelling errors.

You can standardize the number of decimal places to cells with numeric data to ensure the same level of precision and consistency. This can be based on the industry and organization specific reporting standards or regulations for compliance.

You can edit a chart to include key elements, and customize them according to requirements. Proper chart formatting ensures that charts are clear, consistent, and effectively convey the information you want to communicate.

You can assign descriptive names to cell references or ranges, to help enhance readability of formulas and facilitate automation. If you reference cells by name, Excel will automatically update the references if you insert or delete rows or columns, minimizing the risk of referencing the wrong data.

You can apply conditional formatting to cells in a spreadsheet to highlight trends, patterns or outliers in the data.

You can create macros to automate repetitive tasks and processes in your spreadsheet.

Recording a macro is the process of capturing a sequence of actions or commands so that they can be played back later. This can simplify the process and serve as a learning tool for users who are new to coding.