file is damaged or can not be found?

[yakibczi]

All files in zip format no longer open on my computer. when trying to use a third-party software "file is damaged or can not be found" how to view corrupt zip?

 

[Berton]

when trying to use a third-party software "file is damaged or can not be found"

Insufficient information provided, exactly what is that third-party software? What program was used to create the .zip files?