How to Open a DAT file? Now the problem with opening a DAT file is that you can't tell what type of file it is by the name and the extension. If you received a dat file as an email attachment which is named as winmail.dat then you can use an online tool Winmaildat.com to extract the file.
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Because DAT files are not as specific as most files, since the file extension doesn't immediately explain how to open one, you have to do a bit of digging. For example, an MP3 file immediately tells you that you're dealing with an audio file, a TXT file explains a plain text file, etc. open a winmail.dat file - Microsoft Community It will be unlikely that you will be able to open that dat file . . . dat files are just data files, generally in bytcode and are not meant to be human readable Whoevr sent your the dat file has sent that in the wrong format, you will need them to re-send that in a readable format . . . 3 Ways to Open Winmail.dat - wikiHow You can use various web services and mobile apps to view a winmail.dat file's contents. Keep in mind that the contents of a winmail.dat file are always identical to the email's body, so if you can read the email, you don't need to open the winmail.dat file.
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