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External Dependencies in Microsoft Project

You can insert dependencies into an open project without having to open the project from which the dependent relationship is created. In Microsoft Project, you can insert dependencies by entering the file name and task ID of the dependent task. You must have both files open in Microsoft Project to create the external dependency.

When you have a project with external dependencies open in Microsoft Project, the external task information and external dependencies are retrieved. No other information is retrieved. In Microsoft Project, the task ID of the external dependency is displayed as the [Project Name]\[Task ID]. For example, wireless_upgrade\5.

When you save a project with external dependencies, external tasks are updated as needed.