We cannot provide an estimate for how long an import will take. Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions. If the channel names do not match exactly, youll need to manually set them to merge. import slack def get_channel_emails (channel_id:str)-> list: client = slack.WebClient (token=os.getenv ("SLACK_TOKEN")) result = client.conversations_members (channel= channel_id) emails = [] for user in result ['members']: info = client.users_info (user = user).data if 'email' in info ['user'] ['profile'].keys (): emails.append (info ['user'] Using Slack's import and export tools, you can export member, message, and channel data from one workspace and import it to another. These channels are what gives Slack the edge over running your business over email, instant messaging apps, or even in-person office environments. Files and messages in public channels will show up for every member, even if they havent joined that channel. While it's not supported to rename the channel and move messages there is an import and export feature. Typically, #general is where most of the users are. Tested. Their messages will automatically import if the corresponding channels are also imported, but no user accounts can be merged or created in the destination workspace. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e3\/Merge-Channels-on-Slack-Step-1.jpg\/v4-460px-Merge-Channels-on-Slack-Step-1.jpg","bigUrl":"\/images\/thumb\/e\/e3\/Merge-Channels-on-Slack-Step-1.jpg\/aid9416953-v4-728px-Merge-Channels-on-Slack-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"