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.

Crisis averted–kind of. Permission to copy the entire workbook is another problem. For instance, if you open a protected Excel file in the browser edition, you can see hidden formulas.

If you would like to make sure that your Excel spreadsheet data is secure this guide will show you how to password protect and hide worksheets ...

Four ways to protect your Excel formulas (free PDF) If a user inadvertently changes the formulas in your Excel workbooks, all your hard work could go out the window.

Want to protect an important Word document or Excel spreadsheet? Here's how to add a password, make documents read-only, and tap into other tricks to safeguard sensitive files.

Everyone who designs a spreadsheet — even those with good math skills — should check their formulas in some way. You can, for example, check calculations against similar calculations made with that ...

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.

You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.