A daily updated filename extension database!

HLB file extension

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

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

Table of Contents

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

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

✅ HP OpenVMS Help Library

HLB file is a HP OpenVMS Help Library. HP OpenVMS features high-availability, scalability, security, industry-leading cluster technology and enhanced flexibility for large-scale SMP systems.
HLB format description not yet available
Category: Data files
Application: HP OpenVMS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HLB aliases:
HLB related links:
HLB related extensions:
Backup Copy File

HP OpenVMS Backup File

HP OpenVMS Macro Library

HP OpenVMS Text Library

HP OpenVMS ACL Editor Journal Data

HP OpenVMS List Data

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

🚫 The .hlb file extension is often given incorrectly!

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

blb, glb, hb, hbl, hl, hlf, hlg, hlh, hln, hlv, hmb, hob, jlb, lb, mlb

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Act! Blob Data
JDiveLog Logbook File
Ashampoo Photo Optimizer Data
Braille Sense Format File
MultiLedger Ship Via Data
Treepad Database Blob Data
Low Bitrate Packer Compressed Audio
Bentley MicroStation Hidden Line Data
HeuristicLab Storage

🔴 Can't open a .hlb 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 .hlb 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 .hlb file extension, write to us!

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