UCS file format description

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

2 filename extension(s) found in our database.

.ucs - F5 User Configuration Set

The UCS data files are related to F5. The UCS file is an F5 User Configuration Set. F5 Networks' flagship product, the BIG-IP network appliance, was originally a network load balancer but today also offers other functionality such as access control and application security.

Data files
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F5 User Configuration Set related extensions:
Equation Illustrator Main Data File
Windows Vista Activation Certificate
The Land of UM Data
Fabasoft app.ducx Organizational Structures Data
ZixCorp Encrypted Data
CaseMap Portable Format Data

.ucs - Homeworld Unicode Strings Data

The UCS game data files are related to Homeworld. The UCS file is a Homeworld Unicode Strings Data. Homeworld is a real-time strategy computer game released in 1999, developed by Relic Entertainment and published by Sierra Entertainment.

Game Data files
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Homeworld Unicode Strings Data related extensions:
Homeworld Game AEP Data
Homeworld Animation Data
Homeworld Game Archive
Homeworld Dust Cloud Data
Homeworld Events Data
Homeworld Flare Data

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

Can't open a .ucs 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.

The .ucs file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cs, cus, hcs, ics, jcs, kcs, uc, ucc, uce, ucx, uds, ufs, us, usc, uss

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

eSubmission Builder Package
SATURN Suite Binary Data
Autodesk AutoCAD Custom Dictionary
IBM Rational XDE UCX Data
JCAMP Chemical Structure Data
UnrealScript File

Operating systems

DataTypes.net 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

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .ucs file format, then write to us!

DataTypes.net >> UCS file