[MSDN Library June 1998] FILEPASS: File Is Password-Protected (2Fh) (49.185888930471%)
MSDN Library Visual Studio 6.0 > Microsoft Office Development > Office 97 Documentation > Office > Microsoft Office 97 Binary File Formats > Microsoft Excel File Format > Record Descriptions
[MSDN Library June 1998] FILEPASS: File Is Password-Protected (2Fh) (48.1866430782839%)
MSDN Library Visual Studio 6.0 > Microsoft Office Development > Office 97 Documentation > Excel > Microsoft Excel 97 Developer's Kit > Microsoft Excel File Format > Record Descriptions