You can open .DAT files that contain text, with text editors, like Notepad, Notepad++, VS Code, etc. But it is not possible to know what contains in a DAT file.

To make Notepad files always open in a new or separate window in Windows 11, open Notepad setting and change the 'Opening files' option.

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 ...

If it's what I think it is, that's not a file. It's a shortcut basically. There is nothing to open in a text editor because it's just a URL shortcut. You can't 'open with' because it's just a ...

Windows Notepad recognizes only "CR + LF" as a line feed, so if you open a file with the line feed code "LF" or "CR" as shown in the image below, there is no new line in the file There was a ...