You can link files to your projects and maintain important project-related documents handy. When you add a file to a project, only the link is remembered; the file is not moved or copied from its original location.
There are two ways to add a file to a project.
To add a file for a project Select a project. Choose Project > Add File. The Finder opens.
Browse and select the file you want to add. Click Choose. Billings Pro adds the file to the project.
To add a file for a project In the project window, click the Links tab. Click + File. Find the file you want to add. Click Choose. Billings Pro adds the file to the project.
To view files that you've added to a project, open the project. From the Links tab, you can open a file by double-clicking.