CLOC file format description

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

1 filename extension(s) found in our database.

.cloc - CATS Location File

The CLOC data files are related to CATS. The CLOC file is a CATS Location File. CATS is a software package which converts semiconductor design data into a useful format for making the circuit templates (also referred to as "photomasks") for semiconductor manufacturing.

Data files
- / -
CATS Location File related extensions:
CATS Flat File
CATS Library File

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

Can't open a .cloc 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 .cloc file extension is often given incorrectly!

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

clc, clkc, clo, coc, loc

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

FactoryTalk View Studio Local Message Component File
EEGLAB Location Data
BibExcel Co-occurrence Document
TopoGrafix Location Data
Clicker Connect Set
Cloe Raytracer Image

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