Converts seamlessly winmail.dat file inside OS X Mail

Some people still use Outlook. And whenever they send you something like an attachment or appointment, it shows up in your Mail with a winmail.dat file attached. But Letter Opener seamlessly converts all types of Outlook’s irksome winmail.dat files. Learn more…


Main Features:

  • Open winmail.dat attachments
  • Variety of languages
  • for MacOS and iOS