Offline publishing allows authors to publish a project for offline use. 

Below are specific instructions on transferring the .scope file to your HoloLens device:

HoloLens 2

Note: You can also achieve this by copying and pasting the file directly into the location (Camera roll folder).

1. Log in to the HoloLens through the Windows Device Portal;
2. Navigate to the following location: System> File Explorer;
3. Navigate to the Camera Roll folder; 
4. Browse your directory for the file you wish to upload, double click the file and select Upload; 
5. Your content will now be available for use in the WorkLink App and feature as an Offline Project/Scenario.