You are downloading the Taiga Universal AppXBundle file v2016.1019.1631.0 for Windows Phone. Taiga Universal is a free and useful Productivity app: Application for tree.taiga.io websiteFocus on ... You can now download the offline AppXBundle file to install & try it.
Download Locations for Taiga Universal 2016.1019.1631.0 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 Taiga Universal AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.