.JC! File

The jc! file extension is used by FlashGet download manager for files whose downloads is still in progress. After the download is finished file extension is renamed to original.

Some versions of the FlashGet use JC or PART file extension for incomplete download files.

How to open:

In most cases, there is really no way to access these files. Some multimedia files can perhaps be played, but it is likely that you will experience errors or the file might not load at all.

How to convert:

These files cannot be converted, because their download has not been successfully finished. You can convert the original file once the download is done.