Click the LOS (Go) action button. deCHK will process files sequentially. The operation concludes within seconds for small batches or several minutes for thousands of documents. Important Operational Constraints
: Built-in "copy" mode prevents further data loss on the source drive. download dechk v2.1
(Disk Error Check) v2.1 appears to be a very old DOS-era utility (likely from the late 1980s or early 1990s) used for checking disk integrity. It is not a commonly distributed modern software. Click the LOS (Go) action button
The developer himself used the first versions of deCHK to recover an entire collection of family photographs, along with many other files that competing tools could not handle. The developer himself used the first versions of
While it is difficult to find an exhaustive list for version 2.1 specifically, the developer has publicly stated that the tool can identify and recover dozens of common file types based on their signatures. Previous versions (like 2.0) supported 48 different file types, including:
If the interface opens in German, click on the flag icon in the top-right corner to switch to English.
Choose a safe location (ideally on a different drive) to save the recovered files.