iPhone displays image attachments in many commonly used formats (JPEG, GIF, and TIFF) inline
with the text in email messages. iPhone can play many types of audio attachments, such as MP3,
AAC, WAV, and AIFF. You can download and view files (such as PDF, webpage, text, Pages, Keynote,
Numbers, and Microsoft Word, Excel, and PowerPoint documents) that are attached to messages
View an attached file: Tap the attachment to open it in Quick Look. (You may need to wait while
the file downloads before viewing it.)
Open an attached file
Touch and hold the attachment, then choose an app to open it. If none of
your apps support the file and it isn’t one that Quick Look supports, you can
see the name of the file but you can’t open it.
Save an attached photo or video
Touch and hold the photo or video, then tap Save Image or Video. The item
is saved to your Camera Roll album in the Photos app.
Quick Look supports the following document types:
Preview, Adobe Acrobat
Rich Text Format