Merge Projects

Open the Visual Studio

Select the project > right-click > get latest version
We need to do that for both projects.

Open

Go to your Target Project in Visual Studio > right-click > New Folder

Open

And add a name to the new folder.

Go to Windows Explorer and find your project.

Open your Source Project and copy (CTRL+C) all folders you need

Paste all folders and files into your new folder in your Target Project

Return to Visual Studio > select the folder created before > add items to a folder

Select all folders > Next > Finish

At the end, select the folder created > right-click > Check In Pending Changes > Add a comment and click on Check In