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.

Here's how you can read and open .DAT files in your Windows 11/10 or macOS PC. These methods will help you to open DAT files working ways.

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 ...

How to automatically open files in New Tabs in Windows 11 Notepad Step 1: Open the Notepad application on your Windows 11 computer.

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