You are downloading the CryptoMessenger AppXBundle file v2016.710.1911.0 for Windows Phone. CryptoMessenger is a free and useful Social app: There is NO TRUST on the Internet!!!The 'Crypto Messenger' attempts to solve this with a 2-Level approach to securing your messages:1st, each ... You can now download the offline AppXBundle file to install & try it.
Download Locations for CryptoMessenger 2016.710.1911.0 AppXBundle file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppXBundle 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 CryptoMessenger AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.