If you downloaded a zipped or a RAR file and while you attempt to open it, you encounter the error message ‘The archive is either in unknown format or damaged‘, then this post is intended to help you. In this post, we will identify the cause, as well as offer the appropriate solutions you can try to help you remediate this issue.
Generally, ZIP or RAR archives are used to download, transfer, and a backup large number of files in less space and time. However, like other files, the ZIP file is also prone to some logical problems. You may encounter this error due to RAR or zipped file corruption.
The most common reasons for zip file corruption are improper/incomplete RAR archive download, severe virus infection, CRC (Cyclic Redundancy Check) errors.
The archive is either in an unknown format or damaged
If you’re confronted with this The archive is both in an unknown format or broken situation, you’ll be able to strive our really useful options beneath in no explicit order and see if that helps to resolve the difficulty.
- Redownload the zipped or RAR archive file to a special location
- Run antivirus scan
- Repair the zipped or RAR archive file
Let’s check out the outline of the method concerned regarding every of the listed options.
1] Redownload the zipped or RAR archive file
If the obtain is incomplete to corrupted, chances are you’ll obtain the error message while you attempt to open the archive file.
This answer entails you redownload the zipped or RAR archive information to a special location and see if the difficulty can be resolved. If not, proceed with the subsequent answer.
If you continue to face this situation, possibly the file is genuinely in a broken situation, and you will have to tell the location proprietor about i.
2] Run an antivirus scan
If the downloaded zipped or RAR archived file bundle is compromised, chances are you’ll obtain The archive is both in an unknown format or broken error message while you attempt to open the archive.
This answer requires you to run a full system antivirus scan with Windows Defender or any respected third-party AV product. If the difficulty remains to be unresolved, you’ll be able to strive the subsequent answer.
Disabling your safety software program when downloading the file shouldn’t be a good suggestion.
3] Repair the zipped or RAR archive file
Zip or RAR information have a well-defined construction and are subsequently susceptible to corruption. Even within the case of minor corruption, the extraction instruments won’t be able to extract its content material, since all zip instruments first run a examine for integrity and in the event that they discover that the CRC values of the unique information of an archive don’t match the extracted ones, they won’t work.
In this case, you’ll be able to strive any of those good free zip file restore software program that can assist you to to restore and extract the contents of the zip information.
Hope this helps!