What is the TLB File Extension?

By:   |   Last Updated: November 26, 2018

Microsoft Silver

TLB File Summary

Four known software programs (notably, Apple TextEdit developed by Apple) are related to the TLB file extension. In addition, they are categorized under two distinct file types, but mainly identified as the VAX Text Library format. The majority of TLB files are considered Text Files, but they can also be Uncommon Files.

File Extension TLB is supported by Mac, Windows, and iOS operating systems. These types of files can be found on both desktop and mobile devices. The main TLB file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

If you are having problems opening TLB files, or would simply like to learn more about the software programs and developers that are associated with them, please see the complete information contained below.

Low
Popular
357
Standing

/ 11690

Active

Relevance

26

November

2018

Revised

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Sorts of TLB Files

  2 known file types use this extension

Chief TLB Description

.TLB
File Ext:.tlb
Class:VAX Text Library

This is a file that consists of text based info that is used by a VMS/VAX system.

Organization: Various Developers
File Category:Text Files
Subkey: HKEY_CLASSES_ROOT\.tlb

Software Programs That Open The VAX Text Library:


Apple TextEdit by Apple

Mac

Dimenzo Text Editor by Dimenzo, Inc.

Windows

OpenVMS by Hewlett-Packard

Windows

Secondary TLB Associations

.TLB
File Ext:.tlb
Class:OLE Type Library

A file that stores a user's interface data for software that are compatible with Microsoft OLE (Object Linking and Embedding). The file is created by Visual Basic.

Organization: Microsoft Corporation
File Category:Uncommon Files

Software Programs That Open OLE Type Library Files:


Microsoft Excel by Microsoft Corporation

Compatible with:

Windows
Mac
iOS
Android

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TLB Demand


Operating System Rankings

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


Troubleshooting Problems Opening TLB Files


Common TLB Opening Problems

Missing Apple TextEdit

If you attempt to load your TLB file, you experience a message such as "Can't Open TLB Files". Generally, this is experienced in %%os%% because Apple TextEdit isn't installed on your PC. The OS won't know what to do with your TLB file, so double-clicking to load the file doesn't work.


Tip: When another TLB application is installed, you can choose to open it by selecting "Show Apps" and using that program.


Wrong Version of Apple TextEdit is Installed

In some cases, you might have a newer (or older) version of a VAX Text Library file that is unsupported by your installed application version. Download the latest Apple TextEdit version from the Apple website to ensure you have the correct one installed. Your VAX Text Library file was probably created by a newer release of Apple TextEdit than what's currently installed your computer.


Tip: Investigate your TLB file by right-clicking and selecting "Properties" to find clues on what version you need.


Conclusion: The majority of TLB file opening issues are due to not having the correct Apple TextEdit version installed.


Other TLB File Issues

In the majority of cases, installing the right version of Apple TextEdit will resolve your issue. There can be external issues inside of %%os%% that are causing these errors when opening TLBs. Other contributing causes:

  • TLB file references in the Windows Registry are broken
  • Accidental deletion of the description of the TLB file in the Windows registry
  • Defective install of a TLB program, such as Apple TextEdit
  • The TLB itself is corrupted
  • TLB file integrity has been compromised by malware
  • Drivers associated with TLB software need to be updated
  • Your PC doesn’t have enough available resources to open the VAX Text Library file

Quiz: How many characters long can a filename be?









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