Alternatives is described as 'Convert winmail.dat or ATT0001.dat files and extract the contained files into accessible, readable files'. There are five alternatives to, not only websites but also apps for Windows and Mac. The best alternative is Winmail.dat Viewer Pro Edition. It's not free, so if you're looking for a free alternative, you could try Winmail.dat Reader or Wabmail. Other great sites and apps similar to are Winmail Opener (Free) and Letter Opener (Free).

    The list of alternatives was last updated Mar 17, 2021
    Showing 5 of 5 alternatives