Fortunately, Excel provides built-in features that allow you to hide and password-protect your worksheets without requiring any programming skills. Password Protecting Excel Spreadsheet Data ...

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.

Thankfully, Excel makes it easy to hide or unhide rows and columns, allowing you to declutter your spreadsheet and focus on the information that matters most.