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++

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.

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.

I am using Winmail DAT Viewer version 2.2 on a MacPro. My office at work continues to send me attachments generated in Outlook which won’t open on my Mac. This program works perfectly for me every time. I don’t understand why some of the other reviewers have a problem. I have a 2008 MacPro running El Capitan, but it also worked for me with the previous OS versions.