Create a new project from folder
This option creates a project where all existing files within the folder and subfolders may be included in the project by default, maintaining the folder structure. The project file will be positioned in the same directory folder as the selected.
1. On the File menu, select New, Project from Folder...
2. Select the folder.
3. In the next dialog select the folders and files you want to include in the project.
Dependent on the selections, the Project View will be updated showing the new project and selected files and folders in the Project Explorer and File Explorer panes.