To attach a file to a message, start composing a message by tapping the “Compose” icon.
Tap the “Paperclip” icon and choose the file you want to send.
To delete an attachment, tap the icon on the file.
You can also email a file directly from a folder, from the Gallery, the Cloud or a different app. To do this, select files, tap “Share” and select “New Message”. A new message will be created, with the selected files already attached.