How to Add Someone to a Slack Conversation?

Quick summary

Adding someone to a Slack conversation lets you expand a direct message into a group DM without losing context. You can search by name, include existing message history, and confirm the addition in just a few clicks.

Steps

1. Click on the name of the person from the conversation header to open their profile options.
2. Select "Add people to this conversation" from the dropdown or profile menu.
3. Type the name of the person you want to add to the conversation in the search field.
4. Select the person from the search results to add them to the group DM.
5. Choose whether to share conversation history with the new member, then click "Done" to confirm.
6. All selected people are now added to the DM and can participate in the conversation.