: Message deletion is permanent. Once the extension finishes the process, messages cannot usually be recovered.
: 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
: 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) Download Delete Bulk Facebook Messages extension zip
: Toggle the switch in the top-right corner to Developer Mode .
The extension is primarily designed to automate the removal or archiving of conversations in a single click, particularly for users with years of accumulated inbox clutter. While most users install these tools directly via the Chrome Web Store , some seek a .zip or .crx version for manual installation in "Developer Mode". Core Functionality & Features : Message deletion is permanent
These extensions typically inject new interface elements, such as checkboxes or "Delete All" buttons, into the standard Facebook Messenger desktop site.
: Allows for mass deletion or archiving of personal chats, group conversations, and Facebook Marketplace messages. How to Delete ALL Messages In Facebook Messenger
: Unzip the file (e.g., EraseConvo.zip ) into a dedicated folder on your computer.