!width="58%"| Purpose
|-
| [[#Engine/Formats/pmd|.pmd]]
| Prism model descriptor
| Storage of the model descriptor data
|-
| [[#Engine/Formats/pmg|.pmg]]
| Prism model geometry
| Storage of the model geometry data
|-
| [[#Engine/Formats/pmc|.pmc]]
| Prism model collision
| Storage of the model collision data
|-
| [[#Engine/Formats/pma|.pma]]
| Prism model animation
| Storage of the model animation data
|-
| [[#Engine/Formats/ppd|.ppd]]
| Prism prefab descriptor(def?)
| Storage of the prefab data
|-
| [[#Engine/Formats/pia|.pia]]
| Prism i animation
| Storage of the model animation data
|-
| [[#Engine/Formats/pim|.pim]]
| Prism i model
| Storage of the model geometry data
|-
| [[#Engine/Formats/pip|.pip]]
| Prism i prefab
| Storage of the prefab data
|-
| [[#Engine/Formats/pit|.pit]]
| Prism i trait
| Storage of the model traits
|-
| [[#Engine/Formats/sii|.sii]]
| Unit serialized file
| File storing serialized units
|-
| [[#Engine/Formats/sui|.sui]]
| Serialized unit include
| The SII-include file without magic mark SiiNUnit
|-
| [[#Engine/Formats/tobj|.tobj]]
| Texture object
| Texture detailed informations
|-
| [[#Engine/Formats/mat|.mat]]
| Material
| Material definition
|}
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