Hello Daan WANG,
Thank you for posting in the Microsoft community. Based on the information you a have shared with us I understand that you are you like to know the licences required to access the Planner advanced version.
To access the advanced features in Microsoft Planner, you'll need to upgrade to a premium license. Here are the options available:
- Planner Plan 1:
- Cost: $10.00 per user/month (annual subscription)
- Features: Includes project goals, backlogs, sprints, premium plan templates, reports, timeline (Gantt) view, and task dependencies
- Planner and Project Plan 3:
- Cost: $30.00 per user/month (annual subscription)
- Features: Includes everything in Planner Plan 1, plus Copilot in Planner (preview), task history, roadmaps, baselines and critical path, resources request capabilities, program management, project financials, budgeting, and costing
- Planner and Project Plan 5:
- Cost: $55.00 per user/month (annual subscription)
- Features: Includes everything in Planner and Project Plan 3, plus portfolio management, enterprise resource management, and allocation
For more details on the subscription you can check the following article
Compare All Planner Options and Prices| Microsoft Planner
For more information on how to migrate to premium planner please see the following article.
Comparing Basic vs Premium Plans - Microsoft Support
You can check the above information if you have any further concern please feel free to reply here I will do my best to help