Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .tlb

2 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .tlb file?
  • Which program can create the .tlb file?
  • Where can you find a description of the .tlb format?
  • What can convert .tlb files to a different format?
  • Which MIME-type is associated with the .tlb extension?
Visual Basic OLE Type Library .tlb file icon

Visual Basic OLE Type Library

TLB is a Visual Basic OLE Type Library. It is a binary file containing all the type information you need to use procedures or classes in DLLs.
Category: Development files
Application: Visual Basic
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Visual Basic Module
Visual FoxPro Class Library
Visual Basic Designer Binary File
Visual Basic Designer File
Blitz Basic Code
Visual FoxPro Program
Visual Basic Active Designer Cache
Visual FoxPro Report
Visual FoxPro Report Memo
HP OpenVMS Text Library .tlb file icon

HP OpenVMS Text Library

TLB file is a HP OpenVMS Text Library. HP OpenVMS features high-availability, scalability, security, industry-leading cluster technology and enhanced flexibility for large-scale SMP systems.
Detailed description not available
Category: Data files
Application: HP OpenVMS
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Backup Copy File
HP OpenVMS Backup File
HP OpenVMS Help Library
HP OpenVMS Macro Library

Other types of files may also use the .tlb file extension. If you have helpful information about .tlb extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

HP OpenVMS Help Library
Timing Library Format File
Ultimate Stunts Binary 3D Model
Acronis True Image Backup
LithTech Binary File
Timbuktu Pro Connection Data
OpenTL Data
FileMaker Pro Label Data
Zemax Object Data

The .tlb filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hlb (20), tbl (9), tlf (8), tib (8), glb (8), tmb (7), tl (7), ltb (7), flb (6), lb (6), tob (6), tlv (5), tlh (4), tpb (3), tb (3)

Can't open a .tlb file?

If you want to open a .tlb file on your computer, you just need to have the appropriate program installed. If the .tlb association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.tlb

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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