You are downloading the iviis Mobile XAP file v2.2.5.0 for Windows Phone. iviis Mobile is a free Business App: iviis Mobile is a companion app to the iviis viisConnect cloud application suite.Particular business functions that can benefit from being used from a mobile. You can now download the offline XAP package file to install & try it.
Download Locations for iviis Mobile 2.2.5.0 XAP file
Package File
Please Click Here > to retrieve available package files for iviis Mobile.
Please be aware that the iviis Mobile XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about iviis Mobile or get it on Microsoft Store.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline iviis Mobile XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.