You are downloading the Collins Dictionaries AppX file v22.214.171.124 for Windows Phone. Collins Dictionaries is a free and useful Education app: Collins Dictionaries providing online access to the official dictionaries from ... You can now download the offline AppX file to install & try it.
Download Locations for Collins Dictionaries 126.96.36.199 AppX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppX 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 Collins Dictionaries AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.