: Use the "Test" feature in 7-Zip to identify which parts of the archive are broken. Even if the central directory is missing, some tools can still extract raw data blocks.

If the file is indeed corrupted, you can try these verified recovery techniques:

: Tools like WinRAR have a built-in "Repair" function. You can also use Reimage Plus to scan and repair missing or corrupted system files that might prevent extraction.