Password Protecting Excel Spreadsheet Data Key Takeaways : Securing Excel worksheets is crucial for sensitive data. Use `Alt + F11` to open the VBA Editor for managing worksheet visibility.

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.

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.