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.

While you can manage that to-do list from the text file yourself, editing your to-do list in a flat text file using an editor like Notepad.exe or TextEdit isn't the fastest or most ideal way to do so.

Sed is a non-interactive text editor that operates on piped input or text files. By providing it with instructions, you can make it modify and process text in files or streams. The most common use ...

The messages are then written to a text file or a CSV, depending on which you select, and it's saved to your phone's SD card. SMS to Text is completely free and available in the Android App Market ...