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Short, step-by-step answers for everyone on your team. Search, or start with the basics below.

Popular: Signing inTwo-step verificationInvitationsNotifications

Getting started

New to CM Chat? Start here.

Six short articles take you from your invitation to your first message.

  1. Getting started with CM ChatGet started with CM Chat: find your workspace address, accept your invitation, sign in, and install CM Chat as an app on your computer or phone.
  2. Accepting an invitationHow to accept your CM Chat invitation: open the link from your admin, choose your name, and join your workspace. Includes fixes for common problems.
  3. Signing inSign in to CM Chat with the 8-digit code we email you, or with a passkey. Learn how a second step works if your workspace requires one.
  4. Setting up two-step verification and saving recovery codesAdd a passkey or authenticator app to CM Chat, save your recovery codes, and make a new set. A second step is optional unless your workspace requires it.
  5. Lost your phone? Using a recovery code, or asking an adminLocked out of CM Chat after losing your phone? Use a saved recovery code, or ask a workspace owner to reset your two-step verification.
  6. Signing in on a new deviceSign in to CM Chat on a new phone or computer, check you are on the right workspace, and add a passkey or authenticator app if you want one.

Browse by topic

Find it fast.

Using CM Chat

Sign in, send messages, share files and find what you need.

Workspace admins

People, invitations, channels, security settings and the audit log.

Security and FAQ

How CM Chat protects your team, and quick answers to common questions.

Popular articles

  • Getting started with CM Chat

    Get started with CM Chat: find your workspace address, accept your invitation, sign in, and install CM Chat as an app on your computer or phone.

  • Signing in

    Sign in to CM Chat with the 8-digit code we email you, or with a passkey. Learn how a second step works if your workspace requires one.

  • Setting up two-step verification and saving recovery codes

    Add a passkey or authenticator app to CM Chat, save your recovery codes, and make a new set. A second step is optional unless your workspace requires it.

  • Channels

    Channels in CM Chat: the difference between public and private, how to browse, join, create, leave and mute a channel, and who can change one.

  • Notifications

    Set up CM Chat notifications: browser alerts, per-channel choices, email summaries, and phone alerts from the Android app.

  • Frequently asked questions

    Quick answers about CM Chat: signing in, two-step verification, invitations, files, search, notifications, apps and security.

Still stuck? Ask a person.

Email us and a person will reply. Please include your workspace address and what you were trying to do. Never send a password or recovery code.

hello@cmchat.app