There are 5 other file types using
the TLB file extension!

tlb file icon.tlb - VAX text library

tlb file icon.tlb - CHASE evaluation and audit system file

tlb file icon.tlb - OLE type library

tlb file icon.tlb - Portfolio automation interface

tlb file icon.tlb - TrialDirector toolbar file

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TLB file extension - Visual C++ type library file

What is tlb file? How to open tlb files?

File type specification:

Various data file type icon Various data file type

tlb file icon: tlb filetype icon

The TLB file extension is used by Visual C++. The *.tlb files are type libraries in binary format, that include information about types and objects exposed by an ActiveX application. A type library can contain any of the following:

  • Information about data types, such as aliases, enumerations, structures, or unions.

  • Descriptions of one or more objects, such as a module, interface, IDispatch interface (dispinterface), or component object class (coclass). Each of these descriptions is commonly referred to as a typeinfo.

  • References to type descriptions from other type libraries.

TLB might also be used in other programs for type libraries.

The default software associated to tlb file type:

Visual C++ icon

Microsoft Corporation logo Visual C++  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Visual C++ is integrated development environment for C and C++ programming language used to create Windows and .NET applications.

Microsoft Visual Studio icon

Microsoft Corporation logo Microsoft Visual Studio  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Visual Studio is an integrated development environment (IDE) used to create applications for Microsoft Windows, Windows Mobile, .NET Framework, Silverlight as well as dynamic websites and web applications.

Help how to open TLB files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension TLB:

As far as we know, this .tlb file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .tlb file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open tlb file, edit tlb file, convert tlb file, view tlb file, play tlb file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the tlb files.

  • Open tlb file
  • Save tlb file
  • Edit tlb file
  • Create tlb file
  • Others tlb file

Software that open tlb file - Visual C++ type library file

Click on the link to get more information about listed programs for open tlb file action.

Microsoft Windows:

Main software associated with tlb file by default:
Visual C++ small icon Visual C++
Microsoft Visual Studio small icon Microsoft Visual Studio
Other suggested software:
Borland C++ small icon Borland C++

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TLB file extension > Various data file types

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file extension TLE


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