You can mark the messages that you want to retrieve in their entirety the next time you synchronize or connect to your mail service. Select the message, tap ServiceàRetrieve Full Copy. The icons in the Inbox message list give you visual indications of message status.
Inbox Screen
You specify your downloading preferences when you set up the service or select your synchronization options. You can change them at any time.
To change Inbox delivery options for mail synchronization, see ActiveSync Help on your desktop computer.
To change Inbox delivery options for remote mail, in Inbox on your device, tap Service then the service name. Then tap Service again and tap Properties.
You’ll need to download a full message before you can view its attachments.
