The story of a .CHK file usually begins with an error. This could be a sudden power outage, a system crash, improperly ejecting a USB drive, or malware interference. When Windows detects a file system problem on your hard drive or storage device, it automatically launches the utility to fix it.
如果你的文件较为简单（如文本文件）或者你CHK文件来源于哪种类型的文档，可以尝试最直接的方法——修改文件扩展名。 chk file recovery registration code free high quality