All about CLC Files

The CLC file type is primarily associated with CLC Genomics Workbench.

CLC	File extension: CLC
	File type:	data file

What is a CLC file?

CLC files mostly belong to CLC Genomics Workbench. A CLC file is not a single, uniform format; it is a container used by several specialized programs. The most common form – over half of these files – is a CLC Genomics Workbench file created by QIAGEN Digital Insights (visit their site).

Genomics Data: Stores DNA sequence and analysis information for bioinformatics work.

Measurement Data: Contains ellipsometry readings from Horiba instruments (Horiba Ellipsometry).

Legal Documents: Some files hold legal documents formatted using the Microsoft Compound structure as produced by Quicken WillMaker Plus (Nolo).

Database Content: Others are created as SQLite databases (for example, in MapInfo Compiled Layer Content, see SQLite).

Compiled Scripts: A few CLC files are compiled Lua scripts used by Cheat Engine (Cheat Engine).

Simulation & Design Data: They can store COMSOL expressions from CST Studio Suite (3DSimulia) or calculation files from Tekla Structures (Tekla).

Calibration & Security Files: Some record calibration settings for Lidar-camera systems, color laser printers, or mass spectrometry instruments (e.g., Agilent, Bruker), and others serve as encrypted configuration (lock control) files (Babcock Power).
FilExt.com notes: Identifying which application created your CLC file is key. Examine the file header or metadata to find clues about its origin. Open the file with the software that produced it, as the internal structure may follow formats like SQL, Microsoft Compound, or a custom binary arrangement.

How to open a CLC file

You need a suitable software like CLC Genomics Workbench to open a CLC file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CLC file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CLC file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CLC Text Viewer

Choose your .clc file to analyze

or drag and drop it here

Online File Viewer

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CLC file format details:

A file format defines how the data in the file is structured. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the CLC files is as follows:

The file type with the extension 'CLC' includes various formats for various programs. The file formats most commonly found in CLC files are:

• 50% of all CLC files use the same file format, which have the signature CLC. The content consists of illegible binary data, which can only be read and interpreted by the associated programs. CLC files can be up to 920 MB in size, but are often around 4 KB - 920 KB. The file type is relatively new. Several words can almost always be found in the files, e.g. ;com.clcbio.api.free.datatypes.lazyreference.ClcObjectHolder, objectVersionI, Ljava/util/HashMap;L, attributeMapt, clcObjec, saveCountI and typeVersionL. These files are attributed to alignment, reads, pdonr, apig, attb, consensus, paired and clone.
• 4% of all CLC files start with the bytes ## SPECTRUM TYPE: , which are crucial for this file format. These files contain text and words, not binary data. The file size is in the range of 8 KB to 130 KB. The following keywords are characteristic: ## COMMENTS, ## DATE, ## ELLIPSOMETRIC CONFIGURATION, ## NUMBER OF SPECTRUM, ## SPECTRUM TYPE, +45.00, :Modulator, Analyser, ## UNIT and # SPECTRUM. These files are attributed to fernon and glass.

The remaining 46% of all CLC files are files with no common format, the following 8 formats can be found: DOC, SQL and begin. They are often associated with cent, lockset, freeze, avoid, advanced, aimbot, column, sample, over or will. You can get all the details of your CLC file by dragging it onto this page or by clicking the button "Choose your .clc file to analyze" above.