A daily updated filename extension database!

TLB file extension

The table below provides useful information about the .tlb file extension. It answers questions such as:

  • What is the .tlb file?
  • What program do I need to open a .tlb file?
  • How can the .tlb file be opened, edited or printed?
  • How can I convert .tlb files to another format?

We hope you find this page helpful and a valuable resource!

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

✅ 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.
Application: Visual Basic
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TLB aliases:
TLB related links:
TLB 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

Remote Automation RegistrationFile

✅ 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.
TLB format description not yet available
Category: Data files
Application: HP OpenVMS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TLB aliases:
TLB related links:
TLB related extensions:
Backup Copy File

HP OpenVMS Backup File

HP OpenVMS Help Library

HP OpenVMS Macro Library

HP OpenVMS ACL Editor Journal Data

HP OpenVMS List Data

Other types of files may also use the .tlb file extension.

🚫 The .tlb file extension is often given incorrectly!

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

flb, glb, hlb, lb, ltb, rlb, tb, tbl, tib, tkb, tl, tlf, tlg, tlh, tln

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Ultimate Stunts Binary 3D Model
Binary glTF Data
gINT Library
LithTech Binary File
Acronis True Image Backup
Plotwatcher Time Lapse Video
Visual C++ TLH Header
Timing Library Format File
FileMaker Pro Label Data
Intuit QuickBooks Transaction Log

🔴 Can't open a .tlb file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .tlb file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .tlb file extension, write to us!

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