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 ...

Locking is a handy function in Excel that allows users to lock specific or all cells in a worksheet to prevent any intentional or unintentional editing of them. You can easily lock cells in a sheet by ...

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 ...