WhatsApp Web App is an official website for WhatsApp that allows users to access their messages and chats on any device with internet connectivity. This guide provides detailed instructions on how to use the WhatsApp Web App effectively.，Firstly, users need to ensure they have a valid WhatsApp account registered on their phone or computer. Once logged in, users can view all their conversations, messages, and call histories stored locally on their device.，To send a message through the web app, users must enter the recipient's contact number followed by a space and type their desired message. The system will then display a preview of what the user has typed before sending it.，The WhatsApp Web App also offers features such as group chat invitations, media sharing (photos, videos), file attachments, and more. Users can download these files from their local devices if needed.，Lastly, remember to clear your browsing history and cookies regularly to maintain privacy settings while using the WhatsApp Web App.，This comprehensive guide should help anyone looking to utilize the official WhatsApp Web App efficiently.
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