WinRAR – Fix “the archive is either in unknown format or damaged” error

You extract the downloaded compressed file with WinRAR and get the error the archive is either in unknown format or damaged. Although it has been fixed in many ways, it still does not work. The following article will guide you how to fix the above error.

You often download WinRAR to decompress as well as compress files. But today, you get an error that every time you click on it, the Windows system says “the archive is either in unknown format or damaged”. The following article will guide you how to fix the above error.

The cause of the error the archive is either in unknown format or damaged

– This error may be due to an error in the file compression process, leading to the loss of part of the data in the compressed file.

– Because users use software that supports downloading, IDM downloads many files at the same time. Leads to this tool downloading the missing file of the compressed file.

– The compressed file is infected with a virus or other malicious software.

How to fix:

To fix the above error, you can use the following ways:

– Method 1: Extract the corrupted file using other tools like PAR, Winzip, 7-Zip.

– Method 2: Use error correction and data recovery when the compressed file is damaged. If you do not know how to use this feature, you can refer here.

– Method 3: Use other download support software to download the compressed file for example you can Download Flashget.

Hopefully after this article you have a way to fix “the archive is either in unknown format or damaged” error simply and without taking much time.

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