How to Open a .DAT File. .DAT is a commonly used file extension for saving generic data records. The information contained within a .DAT file depends on the program used to create it, but it will ...

In reality, though, when you double-click on it, it would instead open in Notepad because its true, but not visible, extension is actually .txt, which corresponds to a text file.

The most interesting solution from a reader was to open the winmail.dat file in Notepad to identify the correct filename for the attachment, then re-name the winmail.dat file with the correct ...

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 ...

Anyone know of a way on a win98 machine that I can create an icon that will prompt the user to open a file, and then open it in notepad?I thought for sure there was a command line switch that ...