To quickly solve your problem, you need to convert DAT videos to MP4, WMV, MOV (QuickTime), and most other popular, standard video formats on Windows and Mac. This article will recommend an excellent DAT video converter also the online and free methods to convert DAT to. Make Preparation: Free download DAT to MP4 Converter. Free download the professional DAT to MP4 Converter - Avdshare Video Converter ( for Windows, for Mac ), install and then launch it, the following interface will pop up.

1. Dat Video Converter Free
2. Convert Dat To Mp4
3. Dat Video File Converter

Dat Video Converter Free

Know nothing about Winmail.dat files or want to find the best app for opening Winmail.dat file on mac? Here you will find all the answers.

Basics: What is Winmail.dat File?

When composing emails in Microsoft Outlook, Rich Text Format is applied to maintain the formatting. However, if the email recipient is not using Microsoft Outlook, Outlook Express or Exchange, the email will be wrapped in a Winmail.dat file.

Therefore, a Winmail.dat is a file including the email subject, recipient, sender, message body and attachments with good formatting. And it can be opened by Microsoft mail clients only.

For users who don't use Microsoft mail clients, a 3rd party Winmail.dat opener will be needed to view its contents.

The Best App for Opening Winmail.dat on Mac

Cisdem Document Reader ($9.99~$29.99)

Recommended by authorities like New York Times and CNET, Cisdem Winmail Viewer is always picked as the best app for opening Winmail.dat files on mac.

Cisdem Winmail Viewer for mac ($9.99) is a one-stop solution to open winmail.dat files on Mac and allows any attachments contained in them to be previewed and saved. No matter how large the Winmail file is, Cisdem can load and open it fast and well. Besides, it enables users to open multiple Winmail.dat files under different tabs at the same time, so you can switch between and compare all files for your purposes.

While, its full version, Cisdem Document Reader ($29.99), not only supports opening Winmail.dat files, but also allows viewing WPD, WPS, Visio, OXPS/XPS, DjVu, PDF files on Mac. With a set of viewing tools, you can open and view all these supported files comfortably. Still, it provides extended features, like rotate, bookmark, search, extract images, convert to PDF/Text/Image format.

Why Cisdem The Best Winmail Opener?

• Compatible on macOS 10.15 Catalina and earlier
• Open and list all contents of a winmail.dat file
• Open and view multiple Winmail files at a time
• Load fast
• Maintain original formatting
• Full version supports WPD, WPS, Visio, OXPS/XPS, DjVu, PDF
• Extended features: rotate, bookmark, search, extract images, convert

Free Download

How to Open Winmail.dat on Mac with Cisdem?

1. Download and install Cisdem Document Reader on your mac;
   Free Download
2. Drag and drop one or more Winmail.dat files to the program;
3. Open and view Winmail.dat files on mac.
   You can use the viewing tools (View, Bookmark, Page, Zoom, Turn Page, Rotate, etc.) to read the files as needed.

3 Top Third-Party Winmail.dat Viewer for Mac

TNEF's Enough (Free)

With a 19-year history, TNEF’s Enough from Josh Jacob has served countless users on Winmail.dat solution. It is a program allowing users to read and extract files from Microsoft TNEF stream files, including Winmai.dat and application/ms-tnef. It works on latest macOS 10.15 Catalina and earlier.

Convert Dat To Mp4

Advantages:

1. Support Mac OS X 10.15 and earlier;
2. Allow opening Winmail.dat and application/ms-tnef;
3. Free;
4. Easy to use;

Disadvantages:

1. Cannot open and view Winmail.dat directly in the app, you have to save the files first;
2. Fail to open Winmail.dat files sometimes;
3. Poor tech support;

Letter Opener for macOS Mail ($29.99)

Letter Opener for macOS Mail is a plugin for Apple Mail to directly display and convert Winmail.dat files. That’s to say, even the Winmail.dat emails can be viewed and processed the same way as other emails in your Apple Mail. There is no need to go back for composing emails in other email clients after displaying the Winmail.dat file. In addition, it supports multiple languages, including Arabic, Chinese, Dutch, French, German, Hindi, etc.

Advantages:

1. Display and convert winmail.dat file inside OS X Mail;
2. Directly process (edit, reply, forward, copy, search) Winmail.dat emails in Apple Mail;

Disadvantages:

1. Doesn’t support latest macOS 10.15 Catalina;
2. Too expensive for what it does;

MSG Viewer for Outlook ($17.99)

MSG Viewer for Outlook 3.99 is another app for opening Winmail.dat files on mac. It lets you open those frustrating Microsoft Outlook MSG, OFT, and Winmail.dat files on Mac. Batch processing and conversion to native mac formats (eml or vcf) is also supported. What’s more, it helps to import and save contacts in vCards.

Advantages:

1. Work on macOS 10.15 Catalina and earlier;
2. Support opening Winmail.dat and MSG;
3. Convert files to native mac formats;
4. Import and save to vCards;

Disadvantages:

1. Interface is not that user-friendly;
2. The trial version has 20-second delay to display messages;
3. Cannot show attachments in emails with digital signatures or encryption;

Extended: How to Open Winmail.dat Files on iPhone/iPad?

To open Winmail.dat files on iPhone or iPad, a third-party Winmail.dat viewer is also required.

In fact, when discussing on what is the best app for opening Winmail.dat on macOS as above, the tools we listed also is available for iOS, for example Letter Opener for iOS. It is free to download and try, but offers in-app purchase for full features.

Main Features:

• Open and view Winmail.dat files;
• Convert to iOS native formats;
• Export files to another app;

How to Open Winmail.dat Files on iPhone?

1. Go to AppStore, download and install Letter Opener for iOS;
2. Tap the Winmail.dat file and open with Letter Opener;
3. View, convert or export the Winmail.dat file on your iPhone as needed;

Conclusion

You can choose any one of these 4 top apps to open Winmail.dat files on your Mac. But after a thorough comparison on their features, user experience and prices, it’s no doubt that Cisdem Document Reader for Mac would be the best Winmail.dat opener for mac 2020.

Just have a try on the free trial version and open your Winmail.dat files quickly and easily.

What’s your best app for opening Winmail.dat files on Mac? Is it on our top list? Please share with us in the comments.

Two Methods to Free Convert DAT video to MP4

Apowersoft Free Online Video Converter

The Apowersoft Free Online Video Converter is an application running on the web. There is no need to install for converting video files. Aside from the fact that it saves a good amount of space on your hard drive, using this web-based tool is totally free of charge. This handy file converter is best for people who are using computers in a friend’s house or public places because it doesn’t require installations, memberships, registrations or log-in details.

The online application can convert DAT to MP4 online in blazing fast speed, not to mention that using it is extremely easy. You just follow the steps below.

1. Click “Select files to start”, you’ll be instructed to download an Launcher to your computer.
2. After it is well installed, files can be added to convert.
3. Select “MP4” from the Format dropdown listing.
4. Hit “Edit” to customize your video like crop, trim, rotate, add effects, insert watermarks, etc.
5. Press the “Convert” button and the files will be saved to the computer very soon.

It is no ordinary because it doesn’t have file size limitations or time restriction which are quite common in other converters.

Using WinFF

Another free DAT to MP4 converter comes to the name of WinFF, a desktop program that you need to install on your PC. Currently, it only supports both Windows and Linux. WinFF is an open-source application meaning downloading and using it is totally free. This software can alter both audio and video file formats.

How to convert DAT file to MP4 using WinFF is nevertheless simple, see the guide below:

1. Right-click the DAT file and delete the.DAT extension;
2. Replace it with.MP4 or to the format of your desire;
3. Launch WinFF;
4. Click the “Add” button and select the .dat file you’ve just replaced with .mp4;
5. Hit “Convert to” and select MP4;
6. Choose the right video quality as well as settings;
7. Click “Convert”.

The main disadvantage of WinFF over the online converter listed above is that using it is a bit complex. You need to install the program, download the right version and replace file extensions. Additionally, bear in mind that WinFF is an open-source application, which means there might be some bugs, malware and crashes.

The Shareware to Convert DAT to MP4

If you have a bit of cash to shell out and don’t want to be tied up with free DAT to MP4 converters, check out Apowersoft Video Converter Studio. With this premium software, you can not only convert popular media files to different formats but also you can download videos from various websites and edit them as well. Press the “Download” button to install it on your PC and you will finish the conversion instantly.

Dat Video File Converter

Moreover, it supports high definition videos with resolutions up to 4K (4096×2160). Directly converting DAT files so as to make them readable by portable media gadgets such as the iPhone, Samsung, Android smartphones, PSP and many other devices is likewise possible with this shareware. Here are the instructions about how it works.

• Click the “Add files” button to load your files
• Open the “Profile” drop-down list, choose your output format as “MP4”.
• Select the folder to place the MP4 file.
• Hit the “Convert” button and wait for the completion.

How to Play VCD (.dat) on PC without Conversion?

If you just want to play DAT files on your computer meaning you have no intention to convert DAT video to MP4, you can use a VLC media player. VLC is a free multimedia program that can play a wide variety of formats like FLV, DVD, WebM, WMV, MP4, DIVX, DAT, VCD and more. It is currently available for Windows, Linux and Mac OS X users.