You are downloading the FirstClass GO XAP file v12.1.4.0 for Windows Phone. FirstClass GO is a free Business App: Keep your FirstClass content right at your fingertips, wherever you are. With FirstClass GO, you can use your Windows phone device to access it all.EmailView,. You can now download the offline XAP package file to install & try it.
Download Locations for FirstClass GO 12.1.4.0 XAP file
Package File
Please Click Here > to retrieve available package files for FirstClass GO.
Please be aware that the FirstClass GO XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about FirstClass GO 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 FirstClass GO XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.