What do the different .dat files contain?

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So you’re stuck with a DAT file (.dat file extension) that was supposed to be a WORD document and you don’t know what to do with it? Don’t worry, help is here!

You probably wonder what a DAT file is in the first place. Simply put, DAT files contain data in text or binary format.

They are typically found as winmail.dat files in email attachments, created by Microsoft Exchange Servers. But many other programs can create .dat files as well. So if the name doesn’t give it away, it’s difficult to tell whether you’re dealing with text, pictures, movies or something completely different.

Giving advice on how to open a DAT file of an unknown source is difficult because there are so many options, depending on the original source of the file. But say you were supposed to receive a WORD document and what you did receive was a document with a .dat file extension. Basically, you have two straight forward options to open and convert a DAT file into a Word doc.

First,...

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By Tim Fisher

Updated May 16, 2016.

A file with the DAT file extension is usually a generic data file that stores information specific to the application it refers to. Sometimes you'll find them by themselves but often they're with other configuration files like DLL files.

No specific program is responsible for creating or using every type of DAT file. A wide variety of applications use them as references to certain operations in their respective program.

Since most DAT files are tucked away from view in an application's data folders, you'll probably see DAT files most often if a video file is being stored this way, or if you've received a malformed email attachment with the extension.

How To Open & Read DAT Files

DAT files are unlike most other file types because, like I mentioned above, they don't have an obvious program that opens them. Most type of files do.

If you think the DAT file you have should be "opened" or "used" in...

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For each user profile, Windows creates some unique folders, including documents, desktop, etc. In these folders, Windows stores the specific preferred files that the particular user uses - notice how the files stored on the desktop are different for different users. In a similar fashion, the NTUSER.DAT file contains specific registry settings for a particular user. If it were to be deleted, that particular user's individual settings and preferences will be lost. This may corrupt the user's profile. Hence, the NTUSER.DAT file is normally 'locked' and hidden to keep it safe from accidental deletion.

However, there may arise a situation when the user account associated with an NTUSER.DAT file won't be required anymore. In such a case, the NTUSER.DAT file can be safely deleted, allowing you to free up some space in your computer. The following procedure shows you how to delete the NTUSER.DAT file associated with a redundant...

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Reader Question:
“Hi Wally, I just received a file that ends with .DAT, What program do I use to open it?” - Whitney P., USA

Before addressing any computer issue, I always recommend scanning and repairing any underlying problems affecting your PC health and performance:

Step 1 : Download PC Repair & Optimizer Tool (WinThruster for Win7, XP, Vista – Microsoft Gold Certified). Step 2 : Click “Start Scan” to find Windows registry issues that could be causing PC problems. Step 3 : Click “Repair All” to fix all issues.

Setting up weekly (or daily) automatic scans will help prevent system problems and keep your PC running fast and trouble-free.

Wally’s Answer: It seems that you may have received the .DAT file as an Email attachment or something else. Either way, Opening .DAT files is not so straightforward. If you search the web you will find that files with file extension DAT are container files that can contain different types of data. Still, its not to...

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Did your computer fail to open a DAT file? We explain what DAT files are and recommend software that we know can open or convert your DAT files.

What is a DAT file?

Many different programs use the .dat file extension. When you see a file on your computer with the .dat extension, all it really means is that the file contains some type of computer data. There is really no way to tell what type of data the file contains unless you open it. The problem is, unless you know where the file originated from, the data contained within the .dat file be hard to decipher.

They DAT file format is, in fact, one of the most common file formats in existence. It is very often used to save attachments that have been sent from an Outlook email...

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Many Mac Mail users who send and receive emails with their Windows counterparts using a mail client like Outlook or Microsoft Exchange will discover a “winmail.dat” file attached to those emails. If you try to open a winmail.dat file on Mac OS X, you’ll usually find there is nothing available to open the attachment, or it often contains gibberish and is illegible.

We’ll show you several ways Mac users can open winmail.dat files attached to emails. We’ll also explain what a winmail.dat file is and where they come from.

What is a Winmail.dat File?

Winmail.dat files are generated by Microsoft Exchange and Microsoft Outlook, Mac users typically find them arriving in emails sent from the Windows world and opened in Mail app, and the winmail.dat files can be one of two things; rich text formatting for an email (for example, bolded text, or a stylized HTML email signature, a vcard), and less often, they can be an actual email attachment file which has been...

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Maps Made Easy created a little online utility for viewing the .DAT log files that the Inspire 1 records for every flight. We needed a way to test our commanded flights against what was actually occurring. We already had a decent log file viewer going so we figured we would add to it. It turns out that it works perfectly for the Phantom 3 .DAT log files too!

UPDATE 8/9: We just released an update that enables the data to be read out to a CSV at the native rate.

Maps Made Easy Log File Viewer

Use the DJI Pilot app to enter "Flight Data Mode".

1. Click the top right corner of the main screen to enter the settings menu.
2. Choose the blue highlight icon to enter the MC Settings menu.

3. Select Advanced Settings.
4. Select "Enter flight data mode".

There will be a prompt that tells you to connect the Phantom 3 via USB cable and you will be in flight data mode.
A drive will show up on your computer that contains a...

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Release Notes for McAfee DAT Files Copyright (c) 1992-2013 McAfee Inc. All Rights Reserved =============================================== Thank you for using our products. This file contains important information about the current virus definition (DAT) files. We recommend that you read the entire document. You must have a current Support agreement in order to be entitled to download product updates and upgrades, including engine and DAT updates. By downloading any of these files, you acknowledge that you currently have a valid Support agreement with McAfee. The DAT files supplied with this README file are compatible with our anti-virus products that use the version 5400 (or later) virus-scanning engine. We recommend that you upgrade to the latest version of the virus-scanning engine for optimal virus detection and cleaning. _______________________________________________ WHAT’S IN THIS FILE? - What are DAT files? - How we provide the DAT files -...

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What's an ISO? A CIF? BIN and CUE? .DAT?

You are here: Tutorials > What's an ISO? A CIF? BIN and CUE? .DAT?

In common use, an "ISO" is a file that contains the complete image of a disc. Such files are often used when transferring CD-ROM images over the Internet. Depending on who you're talking to, "ISO" may refer to all disc image files or only certain kinds.

Going by the more restrictive definition, an "ISO" is created by copying an entire disc, from sector 0 to the end, into a file. Because the image file contains "cooked" 2048-byte sectors and nothing else, it isn't possible to store anything but a single data track in this fashion. Audio tracks, mixed-mode discs, CD+G, multisession, and other fancy formats can't be represented.

To work around this deficiency, software companies developed their own formats that *could* store diverse formats. Corel developed CIF, which is still in use by Roxio's Easy CD Creator....

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Latest new variant of the file with name "container.dat" was discovered 1310 days ago. Our database contains 1 variants of the file "container.dat" with final rating Threat and zero variants with final rating Safe . Final ratings are based on file reviews, discovered date, users occurence and antivirus scan results.

File with filename "container.dat" can be Safe or Threat. You must define more file attributes to determine right rating. Our freeware awards winning tool provides easiest way to check your files via our database. Tool contains many useful functions for keep your system under control and uses minimum system resources.


Click Here to Download System Explorer for...
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A data file is a computer file which stores data to be used by a computer application or system. It generally does not refer to files that contain instructions or code to be executed (typically called program files), or to files which define the operation or structure of an application or system (which include configuration files, directory files, etc.); but specifically to information used as input, or written as output by some other software program. This is especially helpful when debugging a program.

Most computer programs work with files. This is because files help in storing information permanently. Database programs create files of information. Compilers read source files and generate executable files. A file itself is a bunch of bytes stored on some storage device like tape, magnetic disk, Optical disk etc. The data files are the files that store data pertaining to a specific application, for later use.

Storage types of Data file[edit]

The data...

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So you just received an email with an attachment that someone sent you, but the extension on the file is .DAT. What exactly is a .DAT file and how to you open .DAT files? These are two questions I’m going to try to answer as I’ve seen many friends and family encounter this problem before.

The first thing to understand about .DAT files is that it indicates a file that has arbitrary data. That means it’s not associated with any one particular program or application. When you see a file with a .XLS extension, you know it’s referring to an Excel file, and so on. But with .DAT files, you have to figure out how to open it yourself and different .DAT files may open with different programs.

Before we get into the different ways you can open a DAT file, it’s worth noting that you should first check to make sure the file does not contain any viruses. Since a DAT file can be anything, I’ve seen cases where spammers and hackers try to hide spyware or viruses inside DAT...

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What is the purpose of the .DAT File extension?

Files with the .DAT file extension are basically generic files that can be created by almost any program. These files can contain data in binary or text format. If the data is in text format, you may be able to view it using a text editor like Notepad.

Some of the programs that are known to create, reference or open .DAT files are:

Microsoft Visual Studio and applications based on it Corel WordPerfect Nero ShowTime Nullsoft Winamp Ontrack EasyRecovery Pitney Bowes MapInfo Runtime GetDataBack SoftVelocity Clarion

How to Open .DAT Files

The most common way by which you may receive a .DAT file is through an email attachment. It is an issue with some email programs that may automatically change the extension of the file in email attachments to .DAT. So, the file you receive may be an excel file, an image file or a Word document. However, as the file extension is changed to .DAT you may not know which program...

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Did your computer fail to open an EML file? We explain what EML files are and recommend software that we know can open or convert your EML files.

What is an EML file?

Files that contain the .eml file extension are email files that have usually been sent or received by a POP3 email application. These files are normally associated with the Outlook Express software, which is a POP3 email application that is distributed by Microsoft. In some cases, however, EML files can also be created by other email clients as well.

The EML files contain the contents of an email message and they may also contain attachments that were sent by the sender with the original email message. EML files can also contain hyperlinks and linked attachments.

EML files are normally stored in plain text...

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Did your computer fail to open an ART file? We explain what ART files are and recommend software that we know can open or convert your ART files.

What is an ART file?

Files that contain the .art file extension are created by a variety of different drawing applications. The ART files that are used by these software programs usually contain vector graphics that are created using points, lines and vertices to draw the image.

The ART file format is also used by a number of different clipart software applications. Popular applications that use the .art file extension for clipart files include Canon Crayola, Bernina Artista, Xara and Adobe Illustrator.

The Alphacam router tool also uses the .art file suffix. These ART files contain compressed archive files that are created by the...

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I’ve always wanted to write a resource article on how to open files with different file extensions such as .wps, .prn, .mpp, .mdi, .rar, .psd, .pps, .sit, .nrg and lots more! I’ve come across this issue myself many times usually because someone sent me a file and I have no idea which program opens it!

So if you come across a file with a strange extension you have never seen before, there are a couple of ways you can identify which program opens that file. I’m also going to go through some of most common file types that people need to open, but if it’s not in my list, check the online lookup sites that will let you search for file extensions.

Online File Extension Lookup

The easiest way to determine the program associated with a file type is to use an online database of file extensions. There are a couple of sites with thousands of entries, so unless someone made up their own file extension, you should be able to find it.

FileInfo

My favorite...

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1 Code Composer Studio IDE Frequently Asked Questions 1.1 Product 1.2 Installation 1.3 General IDE 1.3.1 Q: How can I configure CCS's editor to show & debug a specific file with extension *.xxx in addition to the normal .cxx,.cpp,.h extensions ? 1.3.2 Q: Standard out calls like 'printf()' and 'puts()' no longer work with my BIOS applications in CCStudio 3.0. What happened? 1.3.3 Q: Is there any Build Options for C674x DSP project? 1.3.4 Q: Can the .PJT file or the .MAK file be manually modified? 1.3.5 Q: How can I modify the environment variables for my build environment before starting CCS? 1.3.6 Q: When compiling a project the compiler gives an error stating that it cannot find a header file which is part of the project, why? 1.3.7 Q: Why does a "build tools not found" error message occur when building a CCS project? 1.3.8 Q: What is the difference between Cycle Accurate Simulator and Device Simulator in CCS? 1.3.9 Q: What is Run-Free? How is it different from normal Run(F5)...
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Did your computer fail to open a JSON file? We explain what JSON files are and recommend software that we know can open or convert your JSON files.

What is a JSON file?

JSON stands for Java Script Object Notification. Files that contain the .json file extension are similar to files that use the XML file format. The JSON file format is used to transmit structured data over various network connections.

The .json file extension is also used by the Firefox Internet browser, which is distributed by Mozilla. The Mozilla JSON files contain a backup copy of the bookmarks that have been created by a user who is using the Firefox Internet browser. If a user somehow loses his or her bookmark information, they can recreate the bookmark data using the information found in the JSON...

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For finding flash memory defects, I had to write this script which shows all 1K blocks which contain differences (not only the first one as cmp -b does)

#!/bin/sh f1=testinput.dat f2=testoutput.dat size=$(stat -c%s $f1) i=0 while [ $i -lt $size ]; do if ! r="`cmp -n 1024 -i $i -b $f1 $f2`"; then printf "%8x: %s\n" $i "$r" fi i=$(expr $i + 1024) done

Output:

2d400: testinput.dat testoutput.dat differ: byte 3, line 1 is 200 M-^@ 240 M- 2dc00: testinput.dat testoutput.dat differ: byte 8, line 1 is 327 M-W 127 W 4d000: testinput.dat testoutput.dat differ: byte 37, line 1 is 270 M-8 260 M-0 4d400: testinput.dat testoutput.dat differ: byte 19, line 1 is 46 & 44 $

Disclaimer: I hacked the script in 5 min. It doesn't support command line arguments nor does it support spaces in file...

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