Action

What happens

Send a message in a channel

All members with access to the channel will be able to read your message.

Send a message in a private channel

Only members who have been invited to the channel will be able to read your message.

Send a DM to a member or a group of members

The member(s) will be notified.

Action

What happens

Pin an item to a channel or DM

All members with access to the conversation can see messages and files that you or other members have pinned.

Save an item from a channel or direct message

Only you can see messages and files that you’ve saved.

Action

What happens

@mention someone in a channel

The member(s) will be notified.

@mention someone not in the channel

The member(s) won’t be notified, but you'll have the option to invite them to the channel or do nothing.

@mention someone not in a direct message

The member(s) won't be notified or allowed to join the conversation.

Action

What happens

Send a message with a hashtag and channel name
(e.g. #channel)

The channel’s name will appear linked in blue. All members with access can click the channel’s name to open it.

Send a message with a hashtag and private channel name
(e.g. #privatechannel)

The private channel’s name won’t appear linked in blue, and members can’t click the channel’s name to open it.