How to Create Subtasks in Microsoft Project

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Creating subtasks in Microsoft Project is simple, it’s all about indentation. Here’s the clean, step-by-step way:

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1. Let's start by opening Microsoft Project and creating a few tasks for your project.
2. Now, add durations to your tasks to help with timeline planning.
3. Click on the task you want to convert into a subtask (it should be positioned below its intended parent task).
4. On the 'Task tab', find and click the 'Indent Task' button, it looks like a right-facing arrow.
5. The selected task is now a subtask, and the task above automatically becomes its summary task. You'll notice the task is indented and the summary task displays a collapse/expand control.