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You reached this page because the Microsoft Project Plan (MPP) file that you are trying to open was created in Microsoft Office Project 2007. Converters for opening Office Project 2007 files are provided as part of Microsoft Office Project 2003 Service Pack 3 (SP3).

Download Microsoft Office Project 2003 Service Pack 3.

After upgrading to Microsoft Office Project 2003 SP3, you will be able to open a Project 2007 file in Project 2003 as a read-only file.

 Note   Converters are not available for opening Project 2007 files from within Microsoft Office Project 2000 or 2002.

Keep in mind that if you save a Project 2007 file to the Microsoft Project 2000 - 2003 MPP format, you can lose data in areas where Project 2007 contains enhanced functionality.

The following types of data or formatting can be lost:

• Budget information    Information contained in the new budget (budget: The estimated cost of a project that you establish in Project with your baseline plan.) fields will be lost.
• Deliverables and Dependencies   Information contained in the new, cross-project deliverables (deliverable: A tangible and measurable result, outcome, or item that must be produced to complete a project or part of a project. Typically, the project team and project stakeholders agree on project deliverables before the project begins.) and dependencies fields will be lost. Information contained in task links will not be lost.
• Cost resources   Information contained in the new cost resource (cost resources: Resources that don't depend on the amount of work on a task or the duration of a task, such as airfare or lodging.) fields might be changed, converting cost resources into material resources. Information contained in other cost fields will not be lost.
• Background cell formatting   Sheet cells that have background formatting applied to them will lose their background formatting. Information in these fields will not be lost.
• Assignment owner information   Information contained in the new assignment owner fields will be lost.
• Calendar exceptions   New exceptions (exception: An instance in which a task or resource calendar differs from the project calendar. An example is a resource that must work on Saturdays, but for which the project calendar does not include working time to cover these instances.) that were added to project and resource calendar functionality (such as monthly exceptions, yearly exceptions, and those with arbitrary dates) will be lost.
• New fields and custom fields  Information within new fields, or any formulas relying on new fields, will be lost. New options that are set on custom fields created in Project 2007 will be lost, such as the new roll-down setting for calculation of assignment rows. Task assignment custom field values will also be lost.
• Enterprise custom fields  Any enterprise custom fields created within Project 2007 will be lost.