WAExpresso is a Chrome extension developed by WA Expresso. It is a beta release designed for sending personalized messages to customers using WhatsApp. With WAExpresso, users can send customized messages, automatically delete messages after delivery, and send messages using Microsoft Excel files. The extension offers features such as pause/play and stop process, download group contacts, delivery reports in Excel, number filtering, spin text, and random delay. The latest versionincludes performance improvements, bug fixes, and additional features for free users. WAExpresso also provides exclusive features like support for Microsoft Excel formats, running specific messages from Excel, and setting a day limit for usage. The user interface is available in multiple languages, including Arabic, Bahasa, Portuguese, Spanish, Russian, and more. Please note that the extension only loads once the user logs in to WhatsApp Web.

Disclaimer: WAExpresso is not endorsed or certified by WhatsApp, Telegram, or WeChat Inc. It should not be used for bulk messaging or any activities that violate the policies of WhatsApp or any other messaging company. WAExpresso is intended for personal use only and is not responsible for any misuse or breach of policy by users.