Microsoft Outlook is a web-based suite of webmail, contacts, tasks, and calendaring services.
Remove work labels from client threads when assigned tasks finish.
Keep your shared inbox in step with completed tasks. Finished email conversations lose their work label, and you get a confirmation.
Keep new client welcomes moving and alert the account owner to gaps.
Your new clients get a welcome email with their project details and shared folder link. You see confirmation or the details needed first.