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.

You can hide formulas in Excel while working. All the formulas and the calculation work can be hidden from the viewers. Learn how to do it.

However, if you open a protected Excel file in the browser edition, you can see hidden formulas, but you can’t modify them. For most sheets, hiding formulas is overkill but easily implemented.

Learn how to easily hide and unhide columns, including the tricky column A, in Excel with this step-by-step guide.

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

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.

You can hide and unhide rows in Excel by right-clicking, or reveal all hidden rows using the "Format" option in the "Home" tab.