: Many versions include a "Choose and Delete" feature to tick specific boxes next to threads instead of clearing the entire inbox.
These extensions typically inject new interface elements, such as checkboxes or "Delete All" buttons, into the standard Facebook Messenger desktop site. Download Delete Bulk Facebook Messages extension zip
: Most updated versions (as of early 2026) are compatible with the latest Facebook UI and work across personal and business page inboxes. How to Install via ZIP (Manual Method) : Many versions include a "Choose and Delete"
: Unzip the file (e.g., EraseConvo.zip ) into a dedicated folder on your computer. How to Install via ZIP (Manual Method) : Unzip the file (e
: 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
: Message deletion is permanent. Once the extension finishes the process, messages cannot usually be recovered.