Workbook Stream (Workbook)

The Workbook Stream specifies global properties and data for a workbook, as well as the sheets (1) that constitute a workbook.

The name of this stream MUST be "Workbook". A file MUST contain exactly one Workbook Stream, which consists of several substreams. There MUST be exactly one substream (section, and the substream MUST be the first substream to appear in the Workbook Stream, which MUST be followed by one or more of the following substreams: