CMD Corrupt OfficeOpen2TXT 2.0.1
Coded by Ccy, author of HaHa Zip and using Delphi Zip, Command-Line Corrupt Office 2007 Text Extractor extracts text from corrupted docx, xlsx and pptx files where the respective Office 2007 programs fail to make this basic recovery.
It also works on non-corrupt files. Docx, xlsx and pptx files are conventionally zipped collections of mostly XML files. Delphi Zip ignores zip file corruption allowing access to XML data despite zip problems.