Based on the information I found, the GoDaddy Email Essentials plan includes professional email built on your domain name, calendar, and contacts synchronization on mobile devices and email clients. It comes with 10 GB of email storage.
However, it doesn’t explicitly mention the inclusion of the desktop app Outlook. It seems that the ability to download and install Office apps such as Word, Excel, Outlook, and PowerPoint is available for Business Professional, Premium Security, or Business Enterprise plans.
Here are some relevant links for more information:
1. [GoDaddy – Compare Microsoft 365 email plans](https://www.godaddy.com/help/compare-microsoft-365-email-plans-9014)
2. [GoDaddy – A quick start guide to Microsoft 365 from GoDaddy](https://www.godaddy.com/help/a-quick-start-guide-to-microsoft-365-from-godaddy-40592)
3. [Download and install Office | Microsoft 365 from GoDaddy – GoDaddy Help US](https://www.godaddy.com/help/download-and-install-office-8909)
For the most accurate information, I recommend reaching out to GoDaddy’s customer service.