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Letter Opener can open Winmail.dat and ZIP file formats.

If Letter Opener doesn’t open your file please forward the message including the file!

##Forward a message including an attachment

  1. Tap the arrow on bottom of the email
  2. Tap “Forward”
  3. Make sure you include the attachment that won’t open
  4. Type support@winmail.help into the recipient-field
  5. Tap “Send”

Please note that we can only answer support requests in English language.

##We will answer your request as swiftly as we can!

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