Task Management System is a Chrome add-on developed by em_te that allows users to view and manage their Microsoft Tasks in an offline interface. With this extension, users can easily add, postpone, and mark tasks as done.

One of the key features of Task Management System is its ability to be viewed even when offline. Tasks are saved on the user's computer, allowing for instant access at any time. The extension also offers a multiple column design, maximizing the number of todos that can be viewed at once. Tasks are grouped by date, reducing cognitive overload and making it easier to prioritize and organize tasks.

The add-on also includes a user-friendly calendar picker and relative time picker, making it simple to set due dates and reminders. Additionally, Task Management System offers a dark mode option for users whose operating systems support it.

Please note that a user account with Hotmail, Outlook, or Office 365 is required to use this extension. It's also important to be aware that Task Management System is a third-party extension and is not affiliated with Microsoft.

Overall, Task Management System provides a quick and efficient offline interface for managing Microsoft Tasks, making it a useful tool for those who rely on the Microsoft ecosystem for task management.