There are dataįiles in the 'data' subdirectory. When browsing the data subdirectory in the game directory, you may notice several files in various subdirectories. World of Warcraft (since Warlords of Draenor).Overwatch (since build 24919, limited support).Starcraft II (since Legacy of the Void, build 38996).Warcraft III (since version 1.30, build 9655 PTR).Here's list of Blizzard games and their usage of CASC storages: Whether the server variant of the game data contains a new version.Īn exhausting information about the format of the CASC storage can be found on WoWDev Wiki. Or corrupt file is detected, the game client (or game agent) automatically downloads the data from the server. It is no longer possible to copy a single file out and treat it as single archive.ĬASC storages are also closely tight up with the remote server, called Content Delivery Network - the CDN. They are all needed to keep the storage in shape. Compared to the old MPQ archives, files in a CASC storage are not standalone

Which can be found in a subdirectory of the game (Data, SC2Data). Every Blizzard game today (2019) has its own storage, MPQ to CASC (Content Addressable Storage Container). In 2014, Blizzard Entertainment changed data format in their games from

Heroes of the storm sound files