You can open projects by navigating to SQL Project Explorer and expanding the node of the project that contains the files you want to access.

Below each project name are a series of nodes that categorize any existing SQL files by development type:


Physically, the projects and files you create as you work in DB Optimizer are stored under the project directory that you specified at the prompt when the project was created. The directory and files can be shared, and other tools may be used to work on the files, completely exempt from the DB Optimizer development environment. 



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