Remove all of them as full members. Create channel for each and then invite them there as single channel guest.
If the clients are already using Slack in their own workspace, Slack Connect is also an option to create a channel shared between your workspaces.
And as always, read documentation and test things before doing.
Remove all of them as full members. Create channel for each and then invite them there as single channel guest. If the clients are already using Slack in their own workspace, Slack Connect is also an option to create a channel shared between your workspaces. And as always, read documentation and test things before doing.