PROJ file format description
Many people share .proj files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .proj file can be edited, converted or printed with. On this page, we try to provide assistance for handling .proj files.
3 filename extension(s) found in our database.
.proj - Poseidon for UML Project Information
The PROJ data files are related to Poseidon for UML. The PROJ file is a Poseidon for UML Project Information. Poseidon for UML is a software application used to create models with the Unified Modeling Language.
- Poseidon for UML
- Data files
- - / -
- Poseidon for UML Project Information related extensions:
.proj - Insight II NMR Project
The PROJ project files are related to Insight II. The PROJ file is an Insight II NMR Project. Insight II is a comprehensive graphic molecular modeling program.
- Insight II
- Project files
- - / -
- Insight II NMR Project related extensions:
.proj - L3DT Project
The PROJ project files are related to L3DT. The PROJ file is an L3DT Project. L3DT is a Windows application for generating terrain maps and textures. It is intended to help game developers and digital artists create vast high-quality 3D worlds.
Naturally, other applications may also use the .proj file extension. Even harmful programs can create .proj files. Be especially cautious with .proj files coming from an unknown source!
Can't open a .proj file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .proj file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- ALEID2000 Project
- AquaCrop Single Project
- PATCHMASTER Protocol Editor Information
- Chord Pro Chord
- KiCad Project File
- FEMFAT Result Protocol Data
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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