The DAT file extension is used by Daqarta, data acQuisition and real-time analysis software. DAT files are used for audio data files.
The DAT file extension is a video stream usually saved in the MPEG-1 format or MPEG-2 format. The VCD, also called video CD, stores MPEG files under the .dat extension.
This DAT file extension is used for SPOT graphic format. This format is a professional Graphic file and created by SPOT images which is a software developed by Spot Image.
This DAT file is a package file contains game data (music, textures, sounds, models, maps).
Winmail.dat contains formatting information for messages that use Microsoft's proprietary TNEF standard and any attachments sent by Microsoft Outlook and Exchange. The file is not recognized by other email clients (like Thunderbird or Lotus Notes) or platforms (like Android, Apple, iPad or iPhone). Because this file is in a Microsoft proprietary Outlook/Exchange format.
Index.dat files are Windows hidden files, they contain all tracks of your online activity including internet history, recently accessed documents, etc. Index.dat files are potential privacy threat because if someone read this file, he can know your tracks.
The DAT file extension is usually created by many various programs for their data or resource files. Some may contain data in text or binary format. Some data files may just be referenced not be opened directly in an application, they are often contain data for internal purposed only.
The DAT file extension is used by a 3D game Minecraft as individual chunk files where the file names contained the chunk’s position encoded in Base36 – this is known as the Alpha level format.
The DAT file extension is associated with SimCity 4. This file is a compressed plugin storing usable content for this game.