If you have tasks created on Outlook for Windows, Mac, or Web, or on Microsoft To Do, you will see the top 3 tasks from your default task list in your Outlook for iOS Search home page for the account you've set as your default mail account.
If you have tasks created on Outlook for Windows, Mac, or Web, or on Microsoft To Do, you will see the top 3 tasks from your default task list in your Outlook for iOS Search home page for the account you've set as your default mail account.