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 extensions usually tell your computer something about a particular file and how to open it. For instance, when the computer encounters a DOCX file, it will use Microsoft Word to open the file.

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

Double-click on the EXE filename to open it. The program starts and displays its own window. Alternatively, right-click the EXE file name and select "Open" from the pop-up menu to start the program.

Let’s see all these fixes in detail. 1] Set the default program for your file (s) Check your file properties. When you open a new file format, Windows asks you to select an app to open that file.

Editing a .docx file on Mac This one’s easy. A .docx file will open quite happily in Word for Mac, of course, but it can also be edited in Pages, the nearest thing to a first-party Apple ...

Run or open a JAR file? Sometimes when a person uses the term “open a JAR file” they really mean they want to run a JAR file. To run a JAR file you must first install Java on your computer. With Java ...

When you double-click on a file in Windows XP, the operating system will automatically open the file using a program that has been is associated with the file's extension. It is possible, though ...

Ever searched for a file in Windows and come up empty? Or waited way too long for results? You’re not alone. Many users find ...