Name: Microsoft Excel 97 Workbook (xls)
Description: The Binary Interchange File Format (BIFF) is a spreadsheet file format developed by Microsoft. BIFF 8 is a native file format of Microsoft Excel 97. The format is proprietary and Microsoft does not make details of its structure public. The information here is derived primarily from OpenOffice.org's reverse-engineered documentation of the format and should not therefore be regarded as definitive. BIFF 8 is based on Microsoft’s generic OLE2 Compound Document Format. An Excel workbook is stored as a ‘Book’ stream within a Compound Document Format file. The Book stream comprises a Workbook Globals Substream, containing a Beginning of File (BOF) record, the Workbook global records, and terminated by an End of File (EOF) record. This is followed by one or more Worksheet substreams, containing a Beginning of File (BOF) record, the worksheet records, and terminated by an End of File (EOF) record. The format remained unchanged with the release of Excel 2000.
sameAs : PRONOM: http://www.nationalarchives.gov.uk/PRONOM/fmt/61
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Binary Magic: true
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Alias: Microsoft Excel Workbook (97-2000)