Box.BIC is an internal Dropbox-like solution that is used to store files for labs and individual researchers. This tool is at https://box.bic.mni.mcgill.ca and can be accessed using your McGill email and password.
The desktop client is used to synchronize files stored in Box.BIC with a local folder on your desktop. The desktop client for Windows, Mac, and Linux machines can be downloaded from https://nextcloud.com/install/#install-clients.
Attn: @ekutsa