WinRAR File Damaged or Unknown Format - How to Fix It?

DIY: Resolve yourself 'WinRAR file damaged or unknown format' error message easily with Remo RAR Repair tool. Download the free RAR Repair tool, and fix thee issues within couple of clicks now..!


Have you ever been in a situation wherein RAR archive that holds all important data is damaged? Even, when tried to extract RAR files using WinRAR application it displaysWinRAR file damaged or unknown format” error message or got the empty extracted folder. Here's what you have to do...

Resolve WinRAR error unknown format or damaged

Repairing WinRAR file is not a big deal with the help of Remo Repair RAR tool. It is a highly recommended for easy and safe fixing of RAR archives for all type of WinRAR errors. By using this advanced RAR repair utility, you can fix WinRAR files that are damaged or showing unknown format errors and access all your contents at your fingertips. Read only mechanisms of this software ensures risk free WinRAR file fixing process and even assist you how to open damaged RAR archive file. It is designed with easy to use and intuitive Graphical User Interface to aim secure and effortless WinRAR archive file repair operation for technical as well as nontechnical users.

Possible reasons behind WinRAR file damaged or unknown format error

  • Incompatibility issue: Software clashes between operating system and WinRAR application or if any necessary software updates are not installed on your Windows PC you might get WinRAR error unknown format or damaged.
  • Improper download: When you try to extract the contents of downloaded RAR archive, sometimes it may throw error “WinRAR file is either damaged or unknown format” if there is a mismatch in values of CRC.
  • Faulty applications: Use of any third party programs to extract or create RAR archive is also considerable fact for WinRAR file error.
  • RAR file header damage: If the header of the RAR file is damaged or corrupted due to any reasons like interrupted transfer of RAR archive, virus intrusion or software conflicts then you may get such WinRAR errors.

Thus, in order to overcome such undesirable conditions, one should simply make use of Remo Repair RAR program to efficiently fix RAR files after WinRAR says like damaged or unknown format error and easily extracts all its contents in just few clicks.


Easy steps to fix WinRAR file damaged or unknown format error

To get rid of all WinRAR errors, first download Remo Repair RAR tool and install it on your Windows computer. This software supports different versions of Windows OS including Windows 10. After installation is done, follow the step-by-step instructions listed below:

Step 1: Launch Remo Repair RAR utility. Then “Browse” your RAR archive which you want to fix and click on “Repair” icon.

Browse and Select WinRAR File showing Damaged or Unknown Format

Step 2: The software automatically starts repairing process to fix WinRAR file damaged or unknown format error and you can monitor the repair status by looking at the progress bar.

Repair in Progress for WinRAR Damaged or Unknown Format Repair

Step 3: After WinRAR is repaired completely, the software displays all the files and folders contained in the RAR archive, select the appropriate files you want to repair and click “Next”.

WinRAR Error Unknown Format or Damaged - Preview Repaired RAR File

Step 4: Now using “Save”, you can store the fixed WinRAR archive that is error free to your desired destination location on your PC.

Fixing archive is either in unknown format or damaged error - Save Repaired RAR File