Command storage format

The command_storage_<namespace>.dat files are GZip'd NBT files located in the data folder in a savegame. They store information about the /data command storage in the world. Each namespace in the storage has its own data file.

Folder Structure

(world save directory) data command_storage_<namespace>.dat

Multiple command_storage_<namespace>.dat files may be present in the data directory.

NBT structure

Multiple compound tags of different names may exist under  contents tag.

History

Minecraft: Java Edition
Versions	Demo Locations PC Gamer Demo (Beta 1.3)
Development	Version history Pre-Classic Classic Early Classic Creative Multiplayer Test Survival Test Late Classic Creative Indev Infdev Alpha Beta Full Release Development versions Removed features Blocks Items Unused features Exclusive features Mentioned features Sky dimension Planned versions
Technical	Known bugs Minecraft Launcher Hardware requirements al_version Block entity Commands Functions Crashes Data values Classic Indev Pre-flattening Data version Debug screen Formatting codes Heightmap Key codes Minecraft Launcher Protocol version Resource location Screenshot Seed Statistics Tick Spawn chunk Coordinates .minecraft client.jar client.json launcher_profiles.json options.txt Development resources Anvil file format Chunk format Command storage format Entity format Generated structures format Level format Loot tables Map item format Model NBT format Obfuscation map Player format raids.dat format Raw JSON text format Region file format Structure block file format Schematic file format Scoreboard format Server list format sounds.json Subtitles villages.dat format Legacy development resources Classic level format Classic server protocol Indev level format Alpha level format Infdev 20100624 level format server_level.dat
Multiplayer	Server Minecraft Realms Server list server.properties Server requirements
Game customization	Skins Capes Resource packs Data packs