Notes about the PROJECT file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The PROJECT file type is primarily associated with 'Project Builder for WebObjects' by Apple Inc.. ProjectBuilderWO ("Project Builder for WebObjects") is an older version of Apple's integrated development environment. It is intended for use for developing WebObjects 4.5.1 projects. The newer development platform is called Project Builder and uses the extension .PBPROJ.