Want to protect an important Word document or Excel spreadsheet? Here's how to add a password, make documents read-only, and tap into other tricks to safeguard sensitive files. You've created an ...

In Microsoft Excel 2010, a chart sits over the worksheet and provides a visual expression of the underlying data. You can use a chart in conjunction with elements on the worksheet to get a better ...

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 ...