Microsoft has integrated To-Do with Cortana to help users save time and do more. Cortana helps by adding your reminders and tasks to your lists in Microsoft To-Do. With Cortana, you can use your voice on your PC or your phone.
You can streamline the tasks, lists, and reminders from across Microsoft To-Do, Cortana and tasks in Outlook can now become one and are centrally located in your Microsoft To-Do app. Since it is a Microsoft product, you have continuity, with Cortana on your Android or iPhone or on your Windows PC. You can also access Microsoft To-Do from the web. It’s automatically synced so you never miss anything.
Microsoft Cortana and To-Do integration are only available in English and in Australia, India, U.S., and U.K regions. If you want to access from a different region, you can change your language and region settings.