Guests can:

  • Pin messages to channels

  • Use slash commands (excluding restricted commands such as invite members, rename channels, change headers, etc)

  • Favorite channels

  • Mute channels

  • Update their profile

  • Use different authentication methods than other users

Guests cannot:

  • Discover public channels

  • Join open teams

  • Create direct messages or group messages with members who aren’t within the same channel

  • Invite people