The Microsoft Excel File Format - OpenOffice.org

4 Worksheet/Workbook Stream
4.1 Worksheet/Workbook Stream
This chapter continues the description of the Worksheet Stream and Workbook Stream started in ➜2.3.3 on a more
detailed level.
4.1.1 Worksheet Stream (BIFF2-BIFF4)
The whole worksheet document (➜2.1.2) consists of the Worksheet Stream (➜2.3.3). All records of the worksheet are
enclosed by a leading BOF record and a trailing EOF record. The stream contains all information about the worksheet,
for instance sheet type (general sheet, chart, macro sheet), sheet dimension, view settings, a font list, a list of defined
names and external references, of course the contents and formats of all cells, row heights, column widths, etc.
Records in a Worksheet Stream (BIFF2-BIFF4):
● BOF Type = sheet, chart, macro sheet (➜5.8)
● EOF ➜5.37
Sheet records
4.1.2 Workbook Stream (BIFF5-BIFF8)
The workbook document (➜2.1.3) contains the Workbook Stream (➜2.3.3), which is divided into Workbook Globals
Substream and several Sheet Substreams (➜2.3.4).
Common structure of the Workbook Stream, BIFF5-BIFF8:
●
●●
Workbook Globals Substream
Sheet Substreams
Records in the Workbook Stream, BIFF5-BIFF8:
● BOF Type = workbook globals (➜5.8)
Global workbook records
● EOF ➜5.37
● BOF Type = sheet, chart, macro sheet, Basic module, … (➜5.8)
●●
Sheet records
● EOF ➜5.37
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