"Office Recovery Wizard undeletes Office documents erased from the Recycle Bin, and recovers files lost due to a system failure, disk crash or file system corruption. Powerful recovery algorithms support documents created with Microsoft Office, OpenOffice and StarOffice.
The wizard works in a step-by-step manner, and it only asks you about where your files were before they were lost. Office Recovery Wizard makes it possible to locate and recover documents from severely damaged, formatted or repartitioned hard drives, as well as helps in case of a corrupted file system or a virus attack. Office Recovery Wizard recovers docx, xlsx, pptx, doc, xls, ppt, vsd, pub, rtf, sdw, odt, and other files and supports all revisions of FAT and NTFS."It has a 43% rating which is not bad for data recovery apps. The idea is you recover an earlier version of your file that is deleted, temporary or lost.