File extension DAT is not associated with any specific program. Technically it can store many kinds of data and different software applications use DAT files to store data. So in order to open DAT file you need to know specifically what application created it. Below we will list some of the potential DAT file online and offline sources and how to deal with them.
Winmail.DAT is a Transport Neutral Encapsulation Format (TNEF) file generated by Microsoft Outlook. To open DAT file in TNEF format you need to have Outlook installed or use a specialized DAT online service. Read more in Winmail.DAT file handling article.
Windows operating system uses NTUSER.DAT file to store user specific registry entries. Typically, this file is hidden and there is no need to open it directly. To view registry entries associated with a current user you just need to open RegEdit and go to HKEY_CURRENT_USER. For more information about NTUSER.DAT read Windows Registry DAT file handling article.
DAT files are used to store video information in MP4 format on Video CD files.
Minecraft uses DAT files to store player and levels information. Minecraft DAT files use Named Binary Tag (NBT) file format to store data. For more information on how to open DAT files from Minecraft read an article about Minecraft DAT files.
McAfee antivirus application uses DAT file to store virus definition information. Virus definition files from McAfee contain latest and up-to-date virus signatures that McAfee antivirus can parse and use it when scanning computers for viruses. For more information about security updates from McAfee via DAT files visit McAfee Security Update page.
If your DAT file is not matching to any of the categories described above, you can try to see if you can guess what is in it by looking inside the file. To do it you can either use a notepad (make sure that the file is not larger than 5-10 MB otherwise notepad may get very slow). But preferably use one of HEX editors to open it. For more information on how to open DAT file in HEX editor read an article about HEX editors.
File Extension Info | |
---|---|
Data file | |
MIME TYPE | |
Dependes on type of data | |
DAT File Opens With | |
Microsoft Outlook Windows Registry REG tool MineCraft McAfee |
Japanese Translation
German Translation
French Translation