The app performs RAR repair by applying a deep scan on the WinRAR file showing the archive is either unknown format or damaged error. The intuitive UI offers secure and convenient steps to repair erroneous RAR files. It can fix RAR archives and restore its contents including documents, pictures, audio, video, etc. The WinRAR Repair is the ultimate tool to fix RAR errors in simple clicks. Fixing WinRAR archive is either in unknown format or damaged error Besides, one can still re-download the entire RAR archive again if it is unavailable there are chances of getting no errors. One should maintain a proper backup of essential and very large-sized files on other storage devices. Click over here- to repair corrupt RAR file header and restore its contents Damaged RAR Header: The changes or damages to the WinRAR file header will give rise to unknown format error when you attempt to extract it.Severe Virus Attacks: Due to severe virus or malware attacks can corrupt RAR files.Improper RAR Archive Download: Whenever any interruptions occur during the RAR download process, there are high chances of archive corruption message.Possible Reasons behind RAR unknown format error In such undesirable conditions, you can simply make use of the WinRAR Repair tool to fix unknown format or damaged error with RAR files. Whilst extracting a highly compressed RAR file into a hard drive of low disk space the error “ The archive is either in unknown format or damaged” might pop-up unexpectedly and leads to corruption of the RAR file. Have you ever encountered a situation where you downloaded a large RAR file and come across RAR file unknown format or damaged error message while extracting the file? The WinRAR application fails to open such damaged WinRAR archives.

Unknown or corrupt image file