But it is not possible to know what contains in a DAT file. If a DAT file contains a video, audio, or PDF, you need to open it with respective applications, like a Media Player or a PDF Reader.

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 ...

Though DAT files, which house data as the shortened name implies, are usually best left alone, here's how you can open them.

How to Open a DAT File in Word. 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 ...

Q. I sometimes receive e-mail messages with a “winmail.dat” file attached that I cannot open. Why does this happen, and what can I do to fix it? A. The winmail.dat file usually appears because ...