You are downloading the Amex Mobile XAP file v184.108.40.206 for Windows Phone. Amex Mobile is a free and useful Personal Finance app: Access your account and Membership benefits for Personal, Small Business or Corporate Cards virtually anywhere you are with the Amex Mobile App. ... You can now download the offline XAP file to install & try it.
Download Locations for Amex Mobile 220.127.116.11 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Amex Mobile XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.