.prj

File Type 1 Project File IconProject File
File Format Standard
Usage Open manually
Rank ★ ★ ★  Common
Description

Generic project file extension used by multiple programs; typically saves project data and settings and may include references to other files used by the project.

The programs listed below are applications that save projects with ".prj" extensions and are not guaranteed to open all PRJ files. Therefore, the following list of programs should serve as a reference of possible file associations for PRJ files.

Open With
Windows

IconMicrosoft Visual Basic

IconIDM UltraEdit

IconESRI ArcGIS for Desktop

macOS

IconFreescale CodeWarrior

IconMackie Tracktion

Updated 2007
File Type 2 Generic IconAIMMS Project File
File Format Proprietary (Paragon Decision Technology)
Usage Open manually
Rank ★ ★ ☆  Average
Description

AIMMS (Advanced Integrated Multidimensional Modeling Software) project file; contains information for developing operations models; includes project settings and user-interface components such as menus and end-user pages.

An associated AIMMS model (.AMB) file is saved along with each project file.

Open With
Windows

IconParagon AIMMS or AIMMS Viewer

Unix

IconParagon AIMMS or AIMMS Viewer

Updated 2007
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