While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

An XLR file is a spreadsheet file from the Microsoft Works software package. Microsoft Works has been discontinued in favor of Microsoft Office so it is not possible to obtain a new and supported copy ...

If you have an old Excel spreadsheet, Excel opens it in normal view, which might be risky at times when it is downloaded from an unknown source. As many people Unblock the downloaded file without ...