Open Office files are zipped collections of xml files. The text/data is usually contained in a sub-file called content.xml. This program accesses that file and extracts the text/data. It can also attempt a full recovery with another method.
This software is not reviewed yet.
Savvy Repair for Microsoft Office, tries four methods for repair or recovery from corruption of Word DOCX, Excel XLSX and PowerPoint PPTX files. Each method starts with the repair of the zip structure.