How to enable & use Whatsapp communities

Communities on WhatsApp provides users with the ability to organize and bring related groups together under one umbrella. Community admins can reach members with important updates by sending announcements, and community members can stay connected by exploring and chatting in groups that matter to them.
Note: Communities on WhatsApp is available in limited countries and may not be available to you yet. Check back to see when communities will be available in your area.
Communities on WhatsApp provides users with the ability to organize and bring related groups together under one umbrella. Community admins can reach members with important updates by sending announcements, and community members can stay connected by exploring and chatting in groups that matter to them. Members can receive updates sent to the entire community and easily organize smaller discussion groups on what matters to them. Your personal messages and calls in communities are always end-to-end encrypted. No one else, not even WhatsApp, can read or listen to them.
To complement communities on WhatsApp, we’ll also be rolling out new features to group chats to help people including:
Reactions
File Sharing
Larger Voice Calls
Admin Controls
Communities has begun rolling out and will soon be available to users worldwide. Check back to see when communities will be available in your area.

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Is it available for Whatsapp Business?