If you would like to make sure that your Excel spreadsheet data is secure this guide will show you how to password protect and hide worksheets ...

Password-Protected Macros Open the Excel worksheet where you wish to place the macro and then activate the Visual Basic for Applications options by turning on the Developer tab.

If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.

At the file level, you can password protect an Excel workbook in two ways: You can determine who can get in and who can save changes.

Sending Excel files containing crucial financial and business data has risks. To add a layer of protection, you should learn to password protect an Excel file.

Crisis averted–kind of. Permission to copy the entire workbook is another problem. For instance, if you open a protected Excel file in the browser edition, you can see hidden formulas.

To hide the column that contains the full Social Security numbers, highlight the column, click Format, Column, Hide . Now the final step is to password protect the worksheet so the formula is both ...

The final step is to protect your Excel Worksheet to finish hiding the formulas. Click Format in the Cells section of the Home tab again. Now, select Protect Sheet from the drop-down menu.

Q. When I circulate my statistical Excel worksheet to users outside my company, I need to protect the underlying confidential formulas but also keep the worksheet easy for users to enter their data.

I tried to set a password on it again, but I’m getting the following error: “This workbook contains Excel 4.0 macros or Excel 5.0 modules.

Here is a tutorial to lock or hide only the formula cells in an Excel workbook. You can also lock formulas in all worksheets in a workbook.