Replace the dat section with the file's extension. Method 2. Drag the DAT file into the program's window. Click and drag the DAT file onto the program's window to do so. Drop the DAT file.
This will attempt to open the DAT file in your program. Click File , then click Get Info in the drop-down menu. Uncheck the "Hide extension" box if necessary. Replace the dat extension with your file's extension in the file's current name. Method 3. Consider the context of the file. You may be able to figure out which program you're supposed to use to open the file based on where the file is stored or what the file is named.
If the file is inside of a folder that contains other system files for your computer, it's probably best to leave the DAT file alone—it's probably used by your computer's built-in programs or features. Ask the file's creator. If you received the DAT file as an email message or from a download site, try contacting the person who sent or uploaded the DAT file and asking what program they used to create the file.
This is unlikely to yield much if you're asking on a crowded forum or a file-sharing site, but you should be able to get an answer out of a coworker or a friend via email. Open the DAT file in a text editor. You may be able to use your computer's built-in text editor to view some or all of the DAT file's contents: Windows — Open Notepad, then drag-and-drop the DAT file into the Notepad window.
Look for information about the DAT file. Depending on the DAT file, you may be able to see a line or two of text that determines the type of software used to open the file. Even if you don't see a line about the specific program you need to use, you might find a line that indicates the type of file e.
Try opening the DAT file in a general program. Use trial-and-error. Unfortunately, if you haven't been able to determine the DAT file's origin program by this point, you'll have to start attempting to open the DAT file with different programs on your computer. You can do this by opening a program, dragging the DAT file onto the program's window, dropping it there, and waiting for the file to open.
If the file opens in a recognizable format, you've found the correct program. If the program displays the DAT file as an incomprehensible jumble of characters or refuses to open the file, your selected program isn't the right program. Did you know you can get expert answers for this article? Unlock expert answers by supporting wikiHow.
Yaffet Meshesha Computer Specialist. Yaffet Meshesha. Support wikiHow by unlocking this expert answer. Not Helpful 2 Helpful 0. Include your email address to get a message when this question is answered. DAT files found in system folders e. Helpful 0 Not Helpful 0. This makes it useful for figuring out DAT file associations. PCMesh Internet Cleanup is a utility to remove user activity tracks and to clean the hard disk from junk files. I need to open a MSG file on The files Saving Files To Windows Restore File 3.
Use a data recovery Windows Mac. Privacy Eraser Portable. Advanced Tracks Eraser. Fast System Washer. The process is pretty similar to uploading other types of files, with a tiny distinction.
In most cases, video-based DAT files originate in video editing software, so you can usually open them with one. If you have a preferred program, you can use a file converter to change the DAT file to a corresponding format. Of course, the steps vary depending on the type.
There are several online tools you can use to do this. We already mentioned Winmail. For Windows 10, one of the more popular solutions is Win FF. Also, keep in mind that sometimes converting a DAT file can make it unusable in the program that created it. Instead, download a third-party video player or consider converting the file in a Windows Media Player-friendly format.
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