Tag Archives: ooxml

Excel sheet protection password hash

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When you protect either your workbook or one of your worksheets with a password in Excel, Excel internally generates a 16-bit hash of your password and stores it instead of the original password text. The hashing algorithm used for that … Continue reading

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Importing Excel 2007 files

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The Excel 2007 filter for Calc is still on its way, but perhaps now is a good time to show the progress of this new Excel 2007 import filter work by Daniel Rentz and myself. Here is a screenshot of … Continue reading

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