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 ...

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 ...

This is the demonstration file to accompany the article, Hide everything but the working area in an Excel worksheet by Susan Harkins.