Letter Opener - Open winmail.dat files and ZIP-Archives. Free version: see sender, receiver, subject, and message text of winmail.dat files. Browse content of ZIP-Archives. Winmail.dat Premium: • Access to attachments • Nested email message • Address Book contacts • Notes and receipts ZIP-Archive Premium: • View the contents of ZIP-Archives • Extract files from ZIP-Archives • Export a file to another app Follow us on Twitter for updates and development news: http://twitter.com/catlan SUPPORT: Please refrain from sending your bug reports or feature requests using the App Store. Instead, to ensure a direct response from us send them to firstname.lastname@example.org. We’re always happy to help our users and receive their comments!