Everything You Need To Know About File Extensions
Descriptions. Workarounds. Issues

File Extension DAT

.DAT is a file extension used in the Microsoft Windows Operating System to store application "data". This file extension could be used by any application to store images, 3d graphics, binary data and any other kind of information.

Index.dat is a popular file which uses file extension dat. This file is created by Microsoft Internet Explorer during its first start. This file stores information about urls, queries and other textual information which were typed in Internet Explorer. For example if you enable AutoComplete feature in Internet Explorer this file will contain all urls that you've typed. Note that to speed up things Internet Explorer stores information in index.dat file in a form of database which is unreadable in text viewers. Thus no applications other than Internet Explorer are able to read this file.

Also file extension dat is very popular in games to store details of game worlds.

Note that file extension dat could be used on operating systems other than Microsoft Windows thus you should be careful when working with it. You can open DAT file on other operating systems too, but only with special software.

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We hope you found this description of File Extension DAT useful.

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  This article will teach you several simple methods which will allow you to figure out what is stored inside the file.

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• Find more information about file extension and other file problems in File Extension Knowledge Base

• Also if you find an application on the web which claims to open your file make sure to scan it for viruses

  It is a very popular trick for an application to claim something it cannot do and instead install malware on your computer

  Read an article on Viruses, Trojans and Adware

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