This app is available from the App Store, and costs $0.99. It will allow you to open and view the contents of an EML file. THis is currently the only way to view EML files without converting them first on another platform. You can use Klammer to open EML files that are attached to email messages, in your Dropbox or other cloud storage service, or in any other program that handles files.  If you're using Mail, you'll need to tap the attachment once to begin downloading it to your iPad. If you're using Dropbox or Google Drive, you'll need to download the file to your iPad. If the attachment doesn't download, try forwarding the message to yourself and downloading again. You will be prompted to select an app to open the file in. The EML file will be loaded in the Klammer app, and you'll be able to view it with proper formatting.

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Write a summary of the previous text in Indonesian:
Unduh dan pasang aplikasi Klammer. Buka aplikasi Mail (atau aplikasi apa pun yang berisi berkas EML yang ingin Anda buka). Ketuk berkas yang Anda unduh. Ketuk "Open in Klammer".