Appnimi ZIP Password Unlocker - This program is totally free which has the ability to search passwords for zipped files.
MunSoft Online Recovery - MunSoft Online Recovery service can be used for free to recover data from damaged files.
John the Ripper - A fast password cracker for Unix, macOS, Windows, DOS, BeOS, and OpenVMS
Kernel for Excel Repair - Kernel for Excel Repair tool successfully repairs corrupted single or multiple XLS/XLSX file without modifying original file formatting and attributes.
PicoZip Recovery Tool - PicoZip Recovery Tool is free software that will help you to recover your forgotten passwords for zipped files.
Office Recovery - Data recovery software for corrupted email, databases, office productivity applications and media. Dozens of supported formats include Microsoft Office, SQL Server and Exchange Server files. Free demo downloads.