# Package org.apache.poi.ooxml

- Interface Summary
  Interface | Description
  --- | ---
  POIXMLRelation.NoArgConstructor |
  POIXMLRelation.PackagePartConstructor |
  POIXMLRelation.ParentPartConstructor |

- Class Summary
  Class | Description
  --- | ---
  POIXMLDocument | This holds the common functionality for all POI OOXML Document classes.
  POIXMLDocumentPart | Represents an entry of a OOXML package.
  POIXMLDocumentPart.RelationPart | The RelationPart is a cached relationship between the document, which contains the RelationPart, and one of its referenced child document parts.
  POIXMLFactory | Defines a factory API that enables sub-classes to create instances of `POIXMLDocumentPart`
  POIXMLProperties | Wrapper around the three different kinds of OOXML properties and metadata a document can have (Core, Extended and Custom), as well Thumbnails.
  POIXMLProperties.CoreProperties | The core document properties
  POIXMLProperties.CustomProperties | Custom document properties
  POIXMLProperties.ExtendedProperties | Extended document properties
  POIXMLRelation | Represents a descriptor of a OOXML relation.
  POIXMLTypeLoader |

- Exception Summary
  Exception | Description
  --- | ---
  POIXMLException | Indicates a generic OOXML error.

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