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Basic information about HDL file

When there is a problem with opening files with the file extension HDL（*.HDL or *.hdl）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the HDL file yourself.

There are 4 file types using the HDL file extension in our database. In the further part of this page, you will find detail information about all the HDL file with their brief description and a list of programs that support HDL file sorted by operating systems. The table below provides useful information about the HDL file extension. It answers questions such as:
  • What is the HDL file?
  • How to open a HDL file?
  • What programs do I need to open a HDL file?
  • What programs help to create and edit a HDL file?
  • How to convert HDL files to another file format?
  • How to convert another files to HDL file format?


1.Detail information about HDL file extension: 20-20 Giza Specifier File

File type 20-20 Giza Specifier File Category Data Files
Developer N/A File format N/A
Description HDL file is a 20-20 Giza Specifier File. The hdl file extension is associated with the Procomm Plus an application for Microsoft Windows that is used to terminal emulation and data transfer, developed by Symantec. The .hdl extension file stores alternate download file listing.
Software programs that will open, edit or convert HDL files

Windows		 20-20 Giza Studio


2.Detail information about HDL file extension: HotDocs Library File

File type HotDocs Library File Category Data Files
Developer HotDocs File format XML
Description HDL file is a HotDocs Library File developed by HotDocs.
Software programs that will open, edit or convert HDL files

Windows		 HotDocs


3.Detail information about HDL file extension: Procomm Plus Alternate Download File Listing File

File type Procomm Plus Alternate Download File Listing File Category Data Files
Developer N/A File format N/A
Description HDL file is a Procomm Plus Alternate Download File Listing File.
Software programs that will open, edit or convert HDL files

Windows		 Procomm Plus


4.Detail information about HDL file extension: Generated C Header File

File type Generated C Header File Category Developer Files
Developer N/A File format N/A
Description HDL file is a Generated C Header File.
Software programs that will open, edit or convert HDL files



Can't open a HDL file?

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

”Can't open this file: example.HDL”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the HDL extension without any issue.


Where I can download the application that support HDL file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How 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.


Can I change the extension of HDL 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/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a HDL file?

The reasons for the lack of the ability to open a HDL file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a HDL file. If there is still something wrong, you might want to check:

  • Whether the HDL file is damaged.
  • Whether the HDL file is incorrectly linked in the registry entries.
  • Whether the HDL file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the HDL file format is incompletely.
  • Whether the HDL file is infected.
  • Whether the drivers of the equipment used for opening a HDL file are up to date.
  • Whether your computer has enough hardware resources to open a HDL file.

If the HDL file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.