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HDL file extension

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

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

✅ HotDocs Template Library

HDL file is a HotDocs Template Library. HotDocs is a document assembly software package currently owned and marketed by HotDocs Limited. HDL is an organized set of shortcuts corresponding to a set of clauses.
Category: Data files
Application: HotDocs
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDL aliases:
HDL related links:
HDL related extensions:
HotDocs Clause Archive

HotDocs Publish Settings File

HotDocs Auto-Assemble File

HotDocs Auto-Install File

HotDocs Registration File

HotDocs Answer Library

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

🚫 The .hdl file extension is often given incorrectly!

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

bdl, dhl, dl, gdl, hcl, hd, hdi, hdk, hdm, hdo, hdp, hel, hl, hld, hrl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Microsoft HD Photo
HotDocs Publish Settings File
FM-ONE Parameters Data
General Hard Disk Image
Bentley MicroStation MDL Program
Valve Source Model Data
Autodesk AutoCAD Heidi Device Interface
3D Gamestudio Model Data
Quake 3D Model Data
HotDocs Auto-Install File

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

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