HDA File
What are HDA files and how to open them
Are you having problems opening a HDA file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a HDA file?
The HDA file extension indicates to your device which app can open the file. However, different programs may use the HDA file type for different types of data.
While we do not yet describe the HDA file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.
We are continually working on adding more file type descriptions to the site, so if you have information about HDA files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!
How to open HDA files
Important: Different programs may use files with the HDA file extension for different purposes, so unless you are sure which format your HDA file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested 9 different HDA openers which you will find listed below.
Various apps that use files with this extension
These apps are known to open certain types of HDA files. Remember, different programs may use HDA files for different purposes, so you may need to try out a few of them to be able to open your specific file.
![]() | Cadcity | User submitted |
![]() | Album Digital | User submitted |
![]() | Microsoft Office | User submitted |
![]() | HMIWeb | User submitted |
![]() | HUDRESPA Settlement Statement | User submitted |
![]() | CJA Billing Software Application | User submitted |
![]() | ASHRAE Duct Fitting Database | User submitted |
![]() | Hendrix | User submitted |
![]() | DesignAssistant | User submitted |
Try a universal file viewer
Try a universal file viewer like Bitberry File Opener. It can open 410 different types of files - and most likely yours too. Download Bitberry File Opener here.
Help us help others
File.org helps thousands of users every day, and we would love to hear from you if you have additional information about HDA file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.