This may pose a security risk
How to Prevent Remote Desktop Credentials from Being Saved in Windows
Remote Desktop Connection in Windows lets you log on to a remote computer and access all of its programs, files, and network resources as if you were actually sitting in front of the remote computer.
We've previously written about how to properly configure remote desktop on a Windows 7/8/10 computer and how to set up your router to allow you to connect from a remote computer outside your network.
By default, Windows Remote Desktop Connection saves your Remote Desktop credentials. This can be a security risk, especially if you share the computer you use to log on to the remote computer. This post explains how to disable the setting that allows Windows to save your credentials.