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.

File is too large for Notepad or File is too big to be opened by Notepad++? Its because of limitations. Do this to to open Large Text Files in Windows 11/10.

Most code editors are similar to notepad.exe in that they are "text editors", but unlike notepad.exe they have functionality built into them to send the code into the compiler.

SeaRuidoso Ars Scholae Palatinae 23y 960 Dec 18, 2003 #4 Right click file. "open with" and select notepad Quote Report E ...

Scripts are stored in the PYM file, then utilized during preprocessing of the code. Open and edit PYM files in a standard text editor such as Windows Notepad.

Open a blank Notepad file Write .LOG (in uppercase) in the first line of the file, followed by Enter. Save the file and close it. Double-click the file to open it and notice that Notepad appends ...

Open SAS File in Notepad Right-click on the "SAS" file to show the context menu. Click the "Open With" option. A list of installed programs opens. Scroll to and click on the entry for "Notepad." ...

Windows only: If you're delving into XML programming for the first time, or want to tweak a few software files, Microsoft's XML Notepad 2007 may be the no-nonsense editor you're looking for.