

Solution 1: Re-download the Zipped or RAR Archive File You can try them in order until the error gets fixed. There are 8 applicable solutions to the “the archive is either in unknown format or damaged” error. Read More How to Fix the Archive Is Either in Unknown Format or Damaged Error? Please try the following the archive is either in unknown format or damaged solutions to fix it. Now, you should have known the possible reasons behind the “the archive is either in unknown format or damaged” issue.


Windows File Explorer can’t open the zip files and the WinRAR says the file is damaged. How to Fix the Archive Is Either in Unknown Format or Damaged Error?Īccording to the user reports, “the archive is either in unknown format or damaged” error often occurs when they try to open or download a zipped or a RAR file.Why the Archive Is Either in Unknown Format or Damaged?.Now, this article from MiniTool Partition Wizard tells you the answer. When trying to open a compressed ZIP or RAR archive, a lot of users receive an error message " the archive is either in unknown format or damaged".
