Microsoft Remote Desktop for Mac 2019 – This app was developed by Microsoft Corporation and updated into the latest version at May, 3rd 2019. Download Microsoft Remote Desktop 10.2.13 for Mac from Apps4MAC.com. 100% Safe and Secure Microsoft Remote Desktop Connection Client for Mac.
I think you are out of luck, I don;t think you can download it from anywhere else.
- Experience a rich Windows experience with RemoteFX in a Remote Desktop client designed to help you get your work done wherever you are. Read reviews, compare customer ratings, see screenshots, and learn more about Microsoft Remote Desktop 10. Download Microsoft Remote Desktop 10 for macOS 10.12 or later and enjoy it on your Mac.
- Oct 17, 2013 Microsoft Remote Desktop, Free Download by Microsoft. Alternative software 5.1. Remote Desktop Manager. Microsoft's Outlook.com now has a Premium option. Microsoft adds Touch Bar support to Office 2016. Microsoft's launches a new tool: 'Mac to Surface Assistant'.
Maybe also look into http://cord.sourceforge.net
Why don't you try downloading it on your computer and see if you can extract the file from the download? Right-click and show package content.
PS: Is that: https://www.microsoft.com/en-us/download/details.aspx?id=465 the right client?
I can't test it since I don't have a MAC at work.
Microsoft Remote Desktop 10 Mac Download Dmg
Microsoft Rds
or this one: https://www.microsoft.com/en-us/download/details.aspx?id=18140