Can't open attachments in emails
Having problem with opening attachments in an email
iPad Air Wi-Fi, Cellular, iOS 7.0.4
Have you tried restarting or resetting your iPad?
Restart: Press On/Off button until the Slide to Power Off slider appears, select Slide to Power Off and, after It shuts down, press the On/Off button until the Apple logo appears.
Reset: Press the Home and On/Off buttons at the same time and hold them until the Apple logo appears (about 10 seconds).