Do you have a .DAT file in your computer and don’t know how to open it? Firstly .DAT file could be anything like a picture, video, data, email attachment, etc. To open .DAT file you will have to find out what kind of file it is, you can than convert the extension to open it easily. If you don’t know what kind of file it is, you can determine it too. More details after the jump.
.DAT file is never associated with any one program. You can try opening it with notepad and MS Document. If it is a chat session or some text document then it will display the content, otherwise it will show some rough data that only programmers can understand.
Your .DAT file could be anything like a video file or a document, the best way to determine would be to add different extension in place of .DAT extension and see if it works. To do this, follow the method below.
Go to Tools > Folder Options and click View tab. Now uncheck the Hide Extensions For Known File Types checkbox and click OK.
Now you will see file extension at the end of every file on your computer. Now change the extension of your .DAT file to .JPG, .PNG, .DOC, .XLS, .AVI, one by one and check if it works. Opening it with IrfanView might solve the problem, as it opens most Picture and Video extensions.
If this method doesn’t work, then it means either you have a Email Attachment, or a Video file.
Winmail.Dat Email Attachment
If you have a file named Winmail.dat, this means you have received this file as an attachment in the email and the sender has used Microsoft Outlook, Outlook Express or MS Exchange Server to send you this mail.
To easiest way to open it is to use an online converter called WinMailDat.
VCD Video File
If you find a video file in .DAT extension. You can easily open it using VLC Media Player. But if you want to convert it so that it can be easily played on other video players than you can use VCD Gear to convert .DAT extension to .MPG easily.
That’s all. If it solves your problem, don’t forget to say thanks. If you are still in trouble, feel free to leave a comment.
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4 Comments
thanks for the assistant, i was able to open a DAT file with media player classic, as you suggested. thanks for the advice.
I have backup my sms.dat but it can’t be restored by my phone software. I tried to change the filename to txt , doc but it never succeed to see my sms again. all coded. HOw can i open the sms.dat file with my window XP ?
Hello,
i am having .dat, .blb, .bbk, .ibk, .idx. these all files are related to some database files. but problem is i am not understanding how to open these files and how to see content of these files and in which software (MySQL,SQL server) i have to open these?
Kavita
Can I open the file NTUSER.dat from an unbooted drive? thx