In this article, we’ll walk through how you can use OnePager Pro to create a Gantt chart from multiple project plans stored on Microsoft Project Server:
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First, open one of your project plans from Microsoft Project Server – either from the web or from a desktop installation of Microsoft Project. OnePager can read your plans through Project, or directly from Project Server.
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Because your stakeholders can only digest so much information in a single Gantt chart, you’ll want to be selective about what tasks from your different plans you display. Do this by inserting a Flag field into each of your Microsoft Project Server plans. In this example we’ve used Flag20, but you can use any field you like, including enterprise custom fields. In the Flag field, put a Yes beside each task you want displayed on your Gantt chart.
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Now, launch OnePager Pro, either from the desktop shortcut, or from Microsoft Project's Add-Ins tab. Don’t have OnePager Pro yet? Sign up for free to learn more.
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From the Start screen, choose New.
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Your first plan from Project Server is already selected. To add more, click on Add/Remove. When the chooser appears, go to Add > BROWSE Project Server/Online:
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Now, you can import as many additional plans from Project Server as you need. To grab more than one at a time, hold down the Ctrl key while selecting with your mouse:
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With multiple project plans selected, choose a Starting Template that is specially-designed to build Gantt charts from multiple Microsoft Project Server files. To do this, go to Change > BROWSE, and pick the template called Multi-Project Gantt Chart - Detailed.
- Give your chart a name, and then click Create new Chart. OnePager will import your selected tasks and milestones from Project Server and create a multi-project Gantt Chart that looks like this:

That’s all! Now you can modify your Gantt chart, share it to PowerPoint or an image file, and track changes as your project evolves.
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