Opening a CLB File

The CLB file type is primarily associated with COM+.

CLB	File extension: CLB
	File type:	catalog file

What is a CLB file?

CLB files mostly belong to COM+ by Microsoft. CLB file format is used as a system file by Microsoft COM+ service.

Main Use: Microsoft COM+ is a service present on Windows PCs that makes way for various components to communicate and exchange information with each other. CLB file format contains system data linked to COM+ application, class, and computer-level features that facilitate the consistency of computer services. The CLB files should not be edited in any manner as doing so can cause functionality issues in Windows that are linked with the Microsoft COM+ service.
Other Uses: CLB files are also used as database files and are used by Microsoft Office XP Developer. CLB stands for Code Librarian Database and refer to a searchable and centralized pool of source code available in the public domain for developers. ICQ, an online chatting application developed by Mirabilis, uses CLB files to store and backup user contacts, ICQ number that uniquely identifies each user and other contact related data. CLB files are also used as data files by Corel Mosaic software, a catalog creator for fonts, pictures, audio and animation files.

How can I open a CLB file?

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

Online CLB Text Viewer

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Online File Viewer

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Programs that open and convert CLB files:

COM+ by Microsoft
See the previous paragraphs to learn more about the main application. CLB files are often referred to as COM+ systems because this type of file is primarily created or used by this software.
cdrLabel
Corel Library
ICQ (contact list file) by ICQ Inc.
ICQ is an online chat program. The program uses CLB files to store user contact data, including a numeric ID, aliases, and other relavent information. This file format is classified as Data.
NoteTab (clipbook template file) by Fookes Software
NoteTab is a text editor designed by Fookes Software as a replacement for Notepad, which normally comes pre-installed on Windows computers. NoteTab uses CLB files to store ClipBook template data. This file format is classified as Misc.
Office XP (library file) by Microsoft Corporation
You can store and manage reusable code in a centralized database. You can add your own code to the existing Code Librarian database, or you can create new code databases. Office XP is obsolete and is not longer supported, it was succeeded by similar programs such as the most recent (p:Office 2019 by Microsoft. This file format is classified as Developer. Related links: Sharing Code with the Code Librarian
Total Club Manager by Electronic Arts Inc.
Total Club Manager is an obsolete game created by Electronic Arts. The game was succeeded by FIFA Manager, which was made by the same company. CLB files were used for file synchronization for new game updates. This file format is classified as Game. Related links: FIFA Manager

CLB file format:

If you know the file format, you can also find out how to open or edit the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Below is our analysis of the CLB files:

As a file extension, CLB isn't very common and is used by different programs with different formats. However, the following two file formats are common:

25% of all CLB files are associated with COM+ catalog. If you open these files in a text editor, you will see only illegible characters. The files are 21 KB to 23 KB in size, with a median of 22 KB. This is an old file type which is rarely used today. The keywords COM+ are typical for these files. An example of a file name is R000000000001.clb.
5% of all CLB files start with the bytes 00 0D 7E 7C A2 3C 4A 7F 33 C5 9C 0D 41 5B E8 78, which are crucial for this file format. They consist of unreadable binary data. The files are on average 38 KB in size and range from 4 KB to 45 KB.

All other CLB files (70%) have no uniform format, such as XML and CRL. They are often associated with clipboard, history, backup or ortur. You can get all the details of your CLB file by dragging it onto this page or by clicking the button "Choose your .clb file to analyze" above.

Technical Data for CLB File Extension

File classification:

System

Related files:

lbl, cll, cbl, pf, txt, ffdata, zip, exe, clg, fpc

Related links:

COM+

Mime type:

application/octet-stream

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: cdrLabel.label, FileType: cdrLabel Label File, AppName: cdrLabel

ProgramID: CodeLibLibrary, FileType: Code Librarian Library, AppName: CodeLibViewer

ProgramID: CodeLibLibrary
EXEFile: %ProgramFiles%\Microsoft Office Developer\CodeLibrarian\codelibviewer.exe

a clb catalog file is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with CLB files

Associate the CLB file extension with the correct application.
Update your software that should actually open catalog files. Because only the current version supports the latest CLB file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available COM+ update.
To make sure that your CLB file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CLB file online - secure, fast, and no downloads needed.