There is no way how you could convert CRYPT6 archives to CRYPT5 format. However, the WhatsApp Tri-Crypt program can be run as background process and convert various versions of WhatsApp archives to the original legacy CRYPT format, which then can be easily extracted with one of the available tools like WhatApp Xtract.
This conversion entry was verified by us and conversion was flagged as wrong or not possible.
Usually this happens when the conversion would try to convert different types of data between each other, such as audio to image, or it is not possible because incompatibility between programs, caused by closed file formats, very limited support etc.
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