You are downloading the WHMCS Manager AppXBundle file v2017.117.1321.0 for Windows Phone. WHMCS Manager is a free and useful Productivity app: This app lets you manage your WHMCS instalation from your windows phone. It has all necessary functions, like : - review ,delete ,accept, ... You can now download the offline AppXBundle file to install & try it.
Download Locations for WHMCS Manager 2017.117.1321.0 AppXBundle file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline WHMCS Manager AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.