The simplest way to back up Microsoft Planner is to export plans as Excel files and save them to your local storage. Here’s a short tutorial on how to do it:
- Head over to the left-side panel, then click 'My Plans'.
- After that, find and open the plan you want to back up.
- Navigate to the top menu bar, then click the drop-down arrow next to the arrow name.
- Subsequently, click 'Export Plan to Excel'.
- After completing these steps, the selected plan will be exported to your local storage as an Excel file. Keep your copy in a safe space and consider it a backup of your plan.