Thread Legal Case Management Software is the world’s only software fully built-in Microsoft 365. Enjoy the familiarity, power & security of Microsoft, with an interface and suite of functions, built specifically for legal. Flexible cloud-based software that adapts to your law firm’s needs. Thread gathers everything you need to manage a client, case, or project, and your Microsoft tools and data ALL together into one intelligent interface; so you can streamline, simplify and improve how you work.