You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the object. This allows you to take advantage of both technologies.

Linking an Excel spreadsheet to the PowerPoint will insert all the contents of the file as an object into your PowerPoint presentation. Open Microsoft PowerPoint and go to Insert tab ...

How to permanently enable a single macro in Excel If you have an Excel file with a macro, you can easily enable it when you open the spreadsheet. 1. Open the file with the macro in Excel. 2.

Highlight the data file and then click "Import" to map the data directly to the spreadsheet under the table information, recreating the XML table within your Excel spreadsheet.