Ah, Excel. This little piece of software is the unicorn of spreadsheets, and that’s why so many people want to learn it. You’ll be hard-pressed to find an office that doesn’t use Excel for one purpose ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. TL;DR: A wide range of ...

If a user inadvertently changes the formulas in your Excel workbooks, all your hard work could go out the window. This ebook explains how to protect and hide those formulas so they remain safe and ...