Trial version If you don't have Project Web App, and you cannot contact the file's creator, you can obtain a trial version of Project. Then you can view the project in Project Web App.
Project Web Access If your organization is using Microsoft Project Web App, you can ask the project manager to publish the project and then give you permission to view the project. If you don't have Project installed, consider the following options for viewing a project plan. View a Project file created in a later version of Project View project information if you don't have any version of Project installed Note: Keep in mind that Project doesn't have a viewer program that enables you to open a project file on a computer that doesn't have Project installed.