What is TLB? What Opens a TLB? File Format List from WhatIs.com

File Extension

TLB File Format

OLE type library files (Microsoft)

TLB is a file extension for Object Linking and Embedding (OLE) type library file format used by Microsoft Visual C++ software development program, part of Microsoft's ActiveX technologies. OLE is Microsoft's framework for a compound document technology.

Briefly, a compound document is something like a display desktop that can contain visual and information objects of all kinds: text, calendars, animations, sound, motion video, 3-D, continually updated news, controls, and so forth.

TLB files are created in Visual Basic when an OLE or ActiveX server is created.

The TLB file extension is also associated with Bubble Editor table reference files and VAX text library files.

 

Learn more about TLB files:

Development expert Matt Billingham sheds light on OLE functionality for populating Excel files.

Search for answers to OLE-related questions at IT Knowledge Exchange.

Visit the Microsoft Visual C++ web page.

This was last updated in August 2010
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