Go to Settings > Project parameters > add one called “Folder Name” of Text type and select only the Drawing Sheets and Views categories to apply. Select “Views” in the project browser and click the properties button.
Hit the Folders button and select “family and type” from the drop down menu in the folders tab for “Group by” and select “folder name” from the drop down menu for “then by” (the project browser will be grouped by Family and type first and then by the folder name parameter we just created.
Click ok twice to dismiss all dialog box.
Now your project browser should have changed and should have lot of ‘?’ marks. This just means that these folders are not yet named / created.