CIV5PROJ file format description

Many people share .civ5proj files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .civ5proj file can be edited, converted or printed with. On this page, we try to provide assistance for handling .civ5proj files.

1 filename extension(s) found in our database.

.civ5proj - Civilization 5 Project Data

The CIV5PROJ game data files are related to Civilization 5. The CIV5PROJ file is a Civilization 5 Project Data. Sid Meier's Civilization 5 is a turn-based strategy computer game and the fifth installment of the Civilization series.

Civilization 5
Game Data files
- / -
Civilization 5 Project Data related extensions:
Bioware Aurora Journal Data
Ylands Workshop Export Data
Jazz Jackrabbit 2 Level Data
Unreal Tournament 3 Map
Age of Empires III: The WarChiefs Saved Game
Breakneck Game Archive

Naturally, other applications may also use the .civ5proj file extension. Even harmful programs can create .civ5proj files. Be especially cautious with .civ5proj files coming from an unknown source!

Can't open a .civ5proj 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.

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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