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InfluxDB
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Since Signal has no official feature for this, every solution you find will require some technical knowledge (basic Linux, command line, Python) One I've found (not tested myself) exports and lets you view your Signal Desktop chat history. I've you don't have Signal Desktop, it won't work. https://github.com/carderne/signal-export or https://matt.sh/signal-backup Others documented their journey of decrypting their Signal Android backup file and retrieving the data within as a giant CSV file. https://www.yoranbrondsema.com/post/the-guide-to-extracting-statistics-from-your-signal-conversations/
I have written a utility to export conversations from Signal Android backups. Maybe it's useful to you.