Binary Storage Object. When the object is serialized out as xml, its qualified name is vt:ostorage.
Assembly: DocumentFormat.OpenXml (in DocumentFormat.OpenXml.dll)
[ISO/IEC 29500-1 1st Edition]
ostorage (Binary Storage Object)
This element specifies a base64 binary storage object variant type.
This type is defined as follows: Identical to the storage element, but indicates that the designated storage shall contain a loadable object.
The possible values for this element are defined by the W3C XML Schema base64Binary datatype.
property (§184.108.40.206); variant (§220.127.116.11)
© ISO/IEC29500: 2008.