You've created an important or confidential file in Microsoft Word or Excel, and you want to keep it private or at least secure. Perhaps you want to make sure that only you and certain people can read ...

When you’re working on an Excel worksheet with complex formulas, the last thing you want is to accidentally delete a formula or set of data and completely change the output. Fortunately, you can ...

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...

Microsoft Excel is a powerhouse when it comes to calculating numbers. With its vast assortment of functions, you can construct formulas to derive virtually any numeric result. However, if these ...