Yes, Microsoft Planner collects personal data as outlined in Microsoft's privacy policy, which includes information such as usage data and user interactions to improve the app and provide personalized experiences.

Microsoft Planner does not support offline use; users need an internet connection to access and manage their tasks.

To cancel your Microsoft Planner subscription, you must manage your Microsoft 365 subscription through the Microsoft account portal, where you can follow the prompts to cancel or modify your subscription.

Microsoft Planner is typically included with Microsoft 365 Business and Enterprise plans, which can range in cost depending on the specific plan chosen. Pricing details can be found on the Microsoft website.