Yes Orangescrum does have a feature of importing project data along with templates as a project plan. But you have to export all the project data of previously completed projects and save it as a project plan and can further use it while creating a new project.
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1.Login to orangescrum and click on the project from the left menu.
2.Click on the “+” to create a new project.
3.Select the project plan that you have exported before while creating the project.
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4.Fill all the required information in the project creation page and click on “create”.
5.You can see a new project has been created with all existing project data and template.