Translation Office 3000 has its own folder structure which is located in the Business folder. Under this folder, two main sub-folders are created: Clients and Projects. When some client is created in TO3000, the appropriate folder is created for this client too, with the client code as its name. 

It is possible to customize all folders which will be created automatically under each client and project in Advanced Settings > Folders (available only in TO3000 3D – Professional and Advanced). Once a project is created, the correcponding folder is created automatically.

Thus, all workflow files of a project could be stored under its own folder:

To create an SDL Trados Studio project inside this folder, please specify it in the New Project window of Trados.

Also, already created projects could be moved to appropriate folders of TO3000, by clicking the "Project > Project Settings… > Browse" button opposite project’s path in Trados: