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.

Much like zipping, a RAR file compresses several files using WinRAR software. Here’s how to extract RAR docs and media on both Windows and macOS.

At the top, you will find three main options—Add, Convert, and Extract. Selecting the Add option allows you to archive files, ...

A JAR file is an archive file but is more than a file compression format. Here's how to open, run, or execute JAR files.

You can open file & folders automatically when Windows 11/10 starts by using Startup folder or Task Scheduler. Here is a complete tutorial.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

Although .dmg is a macOS disk format, there are a number reasons of why you'd want open them on Windows computers. Here's how to get started.

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 ...

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

How to open files on a Chromebook The Files app makes it easier to find and open files on ChromeOS. Like other operating systems, you only need to double-click a file to open it most times.

Microsoft Word can accommodate a surprising number of file formats, and even take in Excel and PowerPoint data, though it might look funny. Here's how.