Opening a CL4 File

The CL4 file type is primarily associated with SureThing CD Label Creator.

CL4	File extension: CL4
	File type:	data file

What is a CL4 file

CL4 files mostly belong to SureThing CD Label Creator. Primary Use: CL4 files usually store CD label designs using a Microsoft Compound structure. They hold layout elements, images, and formatting data used by dedicated CD label programs.

CD Label Design Files: Most CL4 files follow the Microsoft Compound format. They contain design data for CD labels and can also serve in slideshow setups noted as a Roxio PhotoShow slideshow or in programs like SonicStage. For details, refer to the resource at SureThing.

SQLite Database Files: A smaller group uses an SQL structure. These files are SQLite databases that store data in tables and can be queried using SQLite tools. More information is available at SQLite.

FilExt.com tip: Check your file’s content to decide the correct tool. If it appears as a media design file, use the appropriate CD label creator software; if it contains table-based data, an SQLite viewer is needed.

How to open a CL4 file

You need a suitable software like SureThing CD Label Creator to open a CL4 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 CL4 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CL4 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CL4 Text Viewer

Choose your .cl4 file to analyze

or drag and drop it here

Online File Viewer

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CL4 file format:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). File extension, signature and file format must match; otherwise errors will occur when the file is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our examination of the CL4 files comes to the following conclusion:

CL4 is rarely used as a file extension and is primarily used by a single program. However, the following two file formats are common:

• 90% of all CL4 files are based on the Microsoft Compound File format, known also as OLE2 Compound Document format or Composite Document File format. This file format is used by previous Microsoft Office programs and other Windows programs and stores the data in complex containers and sections. The Compound Document format is always starting with the bytes D0 CF 11 E0 A1 B1 1A E1. The unique Windows component object identifier is a9c39302-770a-11d1-893f-00802964b632. The internal containers are called Contents. The file size is in the range of 5 KB to 550 KB. The file type is very old and rarely used today. A common filename is Untitled.cl4. These files can be linked to music, photos, songs and layout.
• 10% of all CL4 files are based on the well-known SQL file format. An SQL file contains a lightweight SQLite database, widely used in application development for storing application related data. They consist of unreadable binary data. The average file size is 17 KB with most files being between 11 KB and 25 KB in size. The keywords CREATE TABLE range_locks ( id INTEGER, Etablerange_, SQLite format 3 and locksrange are typical for these files. Examples of file names are CDCOPY.CL4.

If you want to find out which format your CL4 file belongs to, just click on the button "Choose your .cl4 file to analyze".