Microsoft Excel's protection features, located in the Review tab of the Excel ribbon, ... Once you apply it, you can't insert a file into your Excel document.

Excel does gain a new Insert tab, just like Word and PowerPoint, but the emphasis here is much more on the creation of tables and charts, rather than importing audio, video and other media files.

Office Tabs works with Office 2003, 2007, and 2010, and supports both the 32- and 64-bit versions of each. If you’re an Office user, I can’t recommend this highly enough. (Are you listening ...

How to add a column in Excel using the "Home" tab. 1. Open Microsoft Excel on your PC or Mac computer. 2. Instead of right-clicking, you can also use a feature in the "Home" tab.