CLB files exist as 2 different types. Please find information about each of them below.
Type 1: COM+ Catalog File
The data stored in CLB files include class attributes, COM+ application code, and computer-level details. The COM+ registration database is a folder labeled "Registration". This folder is inside the "...
The data stored in CLB files include class attributes, COM+ application code, and computer-level details. The COM+ registration database is a folder labeled “Registration”. This folder is inside the “Windows” directory. CLB files are commonly found in the COM+ registration database. The COM+ registration database is located in the %windows_directory%\ registration folder. They use the naming convention R00000000000X.clb, where X is a letter or number.
The Microsoft COM+ service is an applet built into Microsoft Windows systems. This applet was developed by Microsoft to facilitate data transmissions and communications between certain components. The CLB file format and the Microsoft COM+ service were developed to implement consistent data transmissions and communication efficiency between other Microsoft Windows services.
COM+ catalog files are affixed with the .clb extension. They are generally classified as system files used by the Microsoft Windows OS. Programs that open or reference CLB files are NoteTab Light and NoteTab Pro.
The clb file contains ClipBook template which is used to quickly generate files based on predefined settings. Files with clb file extension can be mainly found as templates for NoteTab ClipBook HTML and text editor. CLB files should not be edited in any manner as doing so can cause functionality issues in Windows.
Microsoft Component Services
ICQ