Knowledge Base

PRJ4: Can't Open MS Project 98 or Later MPX File with 9999+ Tasks

Article ID: 171054

Article Last Modified on 1/20/2007

Microsoft Project 2000 Standard Edition
Microsoft Project 98 Standard Edition
Microsoft Project 4.0 Standard Edition
Microsoft Project 4.1 Standard Edition
Microsoft Project 4.1a

This article was previously published under Q171054

SYMPTOMS

In Microsoft Project, version 4.0 or Microsoft Project for Windows 95, versions 4.1 and 4.1a, you may not be able to open a file that was saved in Microsoft Project 98 or later in the MPX 4.0 file format.

CAUSE

This problem occurs because the MPX 4.0 file contains more than 9999 tasks. Microsoft Project 4.0 files can contain no more than 9999 tasks.

STATUS

Microsoft has confirmed this to be a problem in the versions of Microsoft Project listed above.

Additional query words: prj2000

Keywords: kbbug kbinterop kbpending KB171054