Open Winmail.dat, MSG and XPS files with just a tap. ABOUT A winmail.dat file or MSG file is an email from Microsoft Outlook that can not be read by other email applications. It needs to be converted for the content to be accessible. Letter Opener does that with a simple tap! With over 10 years experience (and a special dislike for winmail.dat files) we made sure that working together with Microsoft Outlook and Windows users can be simple and seamless. FEATURES - Open Winmail.dat and MSG files and convert appointments, notes, contacts etc. to iOS native formats. - Get access to all attachments in Winmail.dat files. - Export files to another app. SUPPORT We provide direct personal support, so don’t hesitate to contact us if you have any questions or comments: [email protected] Thanks for helping us to keep improving Letter Opener!