You are downloading the Chiffry AppXBundle file v2019.423.1113.0 for Windows Phone. Chiffry is a free and useful Productivity app: Chiffry Secure Messenger is the first app with the quality label "IT Security made in Germany", which allows you a safe and comprehensive ... You can now download the offline AppXBundle file to install & try it.
Download Locations for Chiffry 2019.423.1113.0 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 Chiffry AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.