Try this tool: Recovery Toolbox for Zip is used to recover files from corrupted ZIP archives. The program scans the archive, detects the data structure and tries to recover as much information from the corrupted file as possible. Using several different recovery algorithms, the tool makes it possible to achieve the minimal loss of useful data stored in the corrupted archive. Also, it checks data integrity, which allows it to increase the quality of recovery.

The zip recover program shows the full data recovery report during its operation. For more information:. Leader Board Leading Today Pts Helpful 1. 0 67% Leading this Week Pts Helpful 1.

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There are some possible cases when archive is corrupted: You can open archive and you can see the list of files, but when you press Extract or Test command, there are some errors: Data Error or CRC Error. When you open archive, you get message 'Can not open file 'a.7z' as archive'. Problem In Text an error occurred while decompressing: archive header is corrupt! Unarc.dll returned an error code: -14 ERROR: This is not FreeArc archive or this.