We have found one software suitable in our database for this conversion.
There is no direct way how you could ever convert CRYPT8 archives to CRYPT7 format. However, the WhatsApp Tri-Crypt program can be run as background process and convert all newer CRYPT8, CRYPT7 and CRYPT 5 archives to the original legacy CRYPT format, which then can be easily extracted with one of the available tools like WhatApp Xtract.
Updated: July 26, 2021
CRYPT8
A crypt8 file extension is related to the WhatsApp Messenger, an instant messaging client for Android, iOS, BlackBerry and Windows Phone. A crypt8 file stores encrypted database with chat history.
CRYPT7
Files with crypt7 file extension are typically found as older database backup files from some previous version of WhatsApp install messenger.
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