File signed agreements, keep order receipts, bundle handoffs. Every one is ready to run, and you can adjust it in plain language.
Grant private channel access after owner and team checks.
Keep confidential project rosters and private Teams channels in sync, with owner approval and team access checked before anyone joins.
Grant approved discussion channel access and report unresolved requests.
Give new colleagues the channel access their onboarding checklist calls for, with a clear list of what worked and what needs your attention.