: Many versions include a "Choose and Delete" feature to tick specific boxes next to threads instead of clearing the entire inbox.
: Message deletion is permanent. Once the extension finishes the process, messages cannot usually be recovered. Download Delete Bulk Facebook Messages extension zip
: It is generally safer to use the Chrome Web Store or Firefox Add-ons rather than downloading .zip files from unverified third-party sites, which may contain malware. How to Delete ALL Messages In Facebook Messenger : Many versions include a "Choose and Delete"
: Reputable extensions like those from Sam Hoque claim 100% local processing, meaning they do not send your message data to external servers. Download Delete Bulk Facebook Messages extension zip
: Unzip the file (e.g., EraseConvo.zip ) into a dedicated folder on your computer.