| Extension Name | Extension Type | Category | Dev.Company | File Format |
|---|---|---|---|---|
| .DAT_NEW File Extension | Minecraft World Level File | Game | Mojang | Binary |
| .DAT_MCR File Extension | Minecraft Level.dat Backup File | Game | Mojang | Binary |
| .LANG File Extension | Minecraft Language File | Game | Mojang | Text |
| .MUS File Extension | Minecraft Music File | Audio | Mojang | Binary |
| .MCA File Extension | Minecraft "Anvil" Map File | Game | Mojang | Binary |
| .MCMETA File Extension | Minecraft Animation File | Game | Mojang | Text |
| .NBT File Extension | Minecraft Named Binary Tag File | Game | Mojang | Binary |
| .RSA File Extension | Minecraft JAR Codesign File | Misc | Mojang | Binary |
| .SF File Extension | Minecraft JAR Signature File | Misc | Mojang | Binary |
| .DAT_OLD File Extension | Minecraft Level.dat Backup File | Game | Mojang | Binary |