This tool is provided by the University of Hawai'i to allow a limited form of large file sharing between UH faculty and staff. It also allows users affiliated with the University to share files with non-UH users. See this page for details.
There is a limit of 800MB on total upload size. You may use the service multiple times to upload a collection of files whose total size exceeds this amount. Single files larger than 800MB cannot be uploaded using this service.