As of September 15, 2016, 333,687 of 640,000 files are available online in the Soldiers of the First World War: 1914–1918 database. Please visit Digitization of the Canadian Expeditionary Force Service Files for more details on the digitization project.
Library and Archives Canada is digitizing the service files systematically, from box 1 to box 10,686, which roughly corresponds to alphabetical order. Please note that over the years, the contents of some boxes have been moved. You might find that the file you want (with a surname that should have been digitized) is now located in another box that has not yet been digitized. So far, they have digitized the following files:
Latest box digitized: Box 5608 and Levesque.