Chatwork

Chatwork is a business chat service used by Japanese organizations to communicate with coworkers and outside partners in direct or group conversations. Alongside messaging and file sharing, it provides task and deadline management, video and voice calls, message search, notifications, user administration, mobile apps, and integrations with other work services. Its Japanese site explains security practices, customer examples, help resources, and free and paid plans, positioning the service as a shared workspace for everyday business communication.

Key features

1. Business direct and group chat
2. Communication with internal and external users
3. File sharing, tasks, and deadlines