Corrupt xlsx2csv Salvages Data from Corrupt Excel 2007 xlsx Format Files and Converts the Data to CSV Files 1.0 2009-05-08- Softpicks.Net

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Corrupt xlsx2csv 1.0 release notes

Corrupt xlsx2csv Salvages Data from Corrupt Excel 2007 xlsx Format Files and Converts the Data to CSV Files

S2 Services is releasing version 1.0 of the GUI freeware Corrupt xlsx2csv. Corrupt xlsx2csv requires the installation of Microsoft's .Net Version 2 software framework. Corrupt xlsx2csv salvages data from corrupt Excel 2007 xlsx format files and converts the data to CSV files. This program succeeds where Excel 2007 fails to salvage the basic data from the files.

All the worksheets can be saved to CSV files at once or selected worksheets can be saved one at a time. The program and displays and saves to CSV files the raw unformatted data, showing the raw data in worksheets beyond the 10th decimal place, where even Excel appears to round the data for display.

The new xlsx Excel 2007 format files are in reality zipped collections of XML files. As a medium XML and the software used to interpret it are uniformly very unforgiving. Excel may use an unzipping module which can unzip corrupt zipped xlsx files, however it appears to be using a conventional XML interpreter to read the XML. Corrupt xlsx2csv also uses an unzipper tolerant of zip corruption too, however the difference comes with the XML reading, where this new program uses a PERL back end script which is tolerant of XML problems, and more less just removes XML tags and feeds in the text strings where needed as the xlsx format is defined.

The PERL code used is adapted from the xlsx2csv script found in the CPAN Perl repository and contributed by Kevin Mulholland.

2009-05-08

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