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 ...

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.

There are several options available to you to protect your Excel file with a password. Remember that once you protect the Excel file, you cannot open it without entering the password.

Hiding and then unhiding columns in Excel only takes a few clicks. In this guide, we'll show you how to hide columns and bring them back in no time at all.

You can add or remove a password from your Excel spreadsheets through the File tab. You'll do it slightly differently on a Mac and PC.

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.

You can easily hide and unhide columns in Excel by individually revealing hidden columns or using the "Format" option to unhide all hidden cells.