Use the Task Tab Filters

You can use the task tab filters present on top of the Tasks page to filter the task list according to My tasks, Team tasks, Started by me, and Managed by me.

Filter Description
My tasks Displays tasks claimed by you or tasks that others have assigned to you.
Team tasks

Displays tasks that are assigned to a number of users, including the group that the user belongs to.

To work on a task that is displayed on the Team tasks tab, you need to first claim the task. On the task row, click Actions, and then click Claim. In the Claim task dialog, click Claim again. The task now gets displayed under the My tasks tab and you can work on it.

Started by me Displays tasks from process instances you started.
Managed by me Displays tasks from process instances you have started, and other tasks that you interacted in the past, for example, a task that you may have reassigned to someone.