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Klammer allows you to open MSG and Winmail.dat files on your Mac and view their contents and attachments. All that business communication you could not view in the Mail application is now just a click away.


  • View MSG files
  • View Winmail.dat files
  • Access attachments, body and message details of the emails
  • Supports displaying rich-formatted message body
  • inline images, links, formatted text, tables and everything
  • Export to EML files, natively supported by Mac OS
  • Forward, forward as attachment or reply from the application
  • Quick Look attachments in MSG or Winmail.dat more...

What's New

Version 3.1:
  • Improved support for Korean charsets
  • Minor bugfixes


OS X 10.6.6 or later

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Current Version (3.x)


Downloads 10,307
Version Downloads 4,029
License Commercial
Date 13 Feb 2013
Platform OS X / Intel 32
Price $9.99
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