If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

Once you do so, Excel files will become noticeable to the operating system again and you should make the file-to-program association once again to confirm the setting.

How to Open Excel With Macros Disabled. When used in Microsoft Excel 2010, macros are simply pieces of computer code that get loaded when you launch the software. Normally, macros help you perform ...

Open the Excel workbook file or template with macros you want to export to another computer. Press the "Alt-F11" keys to launch the Visual Basic for Applications, or VBA, editor.