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 ...

Excel files can be complicated worksheets with pages of data, calculations and cross-referenced information. With all that information, it's no wonder you might feel panicked when one of your ...

Thanks to a suggestion from Macworld reader David Erato, I’ve spent the last couple of weeks immersed in spreadsheet applications…no, not on my Mac, but on my iPhone. David was curious how well the ...