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Streams and private messages

Streams and private messages overview

Zulip supports both private messaging and group chats via conversation streams.

Streams are either:

  • Public - Public streams are for open discussions. All users can subscribe to public streams and discuss there. Any Zulip user can join any public stream in the realm, and can view the complete message history of any public stream without joining the stream.
  • Private - Private streams are for confidential discussions and are only visible to users who've been invited to subscribe to them. Users who are not members of a private stream cannot subscribe to the stream or read or send messages to the stream.

Private messaging can either be one-on-one or group conversations. They can only be seen by users participating in the message.

Sending a new stream message

Read about sending a new stream message here.

Private messaging

New private message

New private message

See "Send a private message" to learn more about sending a private message.

Other features

While sending either a stream or private message, several features located below the messaging box in the bottom-left corner can aid you in composing your message.

Emoji

Emoji feature

Clicking the smiley face (smiley face) icon allows a box to appear featuring Zulip's vast collection of emojis. You can select an emoji to include in your message.

Attach files

File upload feature

Clicking the paper clip (paper clip) icon allows you to select a file from your computer and attach it to your message, uploading it to Zulip to share with your peers.

File upload feature

While the file is uploading, a blue box labeled Uploading... will appear, and a link to your file will be included in your message once the file has been uploaded.

Formatting

Message formatting modal

Clicking the A (A) icon will reveal a modal window with a summary of message formatting in Zulip. For more information on message formatting, see our message formatting guide.

Restore draft

Read about restoring the draft of a message here.

Previewing your message

Read about message previewing here.

Press Enter to send

Read about pressing enter to send here.