WinMail DAT Viewer Pro 4+

LawBox LLC

    • 4.1 • 202 Ratings
    • $1.99



Need to view a winmail.dat file on your Mac? Now you can!


WinMail DAT Viewer is the easiest, fastest, most reliable way to extract, view, and save the contents of winmail.dat files.

It's completely frustration-free: just double-click the win mail.dat file and you're instantly presented with a list of its contents. Double-click the attached files to open them, or drag and drop them on the desktop. In most circumstances, you won't even need to leave your Mail program.

Technical support is included, and our email response time is measured in lickety splits.

What’s New

Version 2.3

• Fixes a bug that could cause the app to freeze on macOS 10.13 (High Sierra)

Ratings and Reviews

4.1 out of 5
202 Ratings

202 Ratings

stillinger ,

Easily the best dat viewer I’ve tried

Most of my freelance business is done by email, which occasionally leads to file issues. Two clients in particular insist on using a version of Outlook that generates dats, so finding a trustworthy, simple, viewer with a clean interface is vital. I tried four others before discovering the LawBox version, and I’m happy to say that I won’t be trying a fifth. This is exactly the lean, straight-forward tool I’ve been looking for to keep the work and engines of my small business turning over. A++

teri9 ,

Good App - No Problems

I've been using this app for a few months now. It works great. I simply open the app, then I go to the email where the DAT document is, and click-and-drag it to the DAT app and it opens up an email-like screen with the winDAT document showing as a PDF. I double click on that, and voila! I can then save or do whatever I need, and that's all there is to it. Has not given me any problems on my Mac computer and has worked flawlessly. I'm grateful for this app.


While this is the only DAT Viewer I use, it is the only one I need.

I use this application multiple times each week, and have found that it quickly opens every such file sent to me. While there may be other features for such applications that are needed by other users that are not available in this application, that is not the case for me. This app does what I need it to do quickly and consistently — which means it warrants five stars in my book.

App Privacy

The developer, LawBox LLC, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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