HDA File
What are HDA files and how to open them
Are you having problems opening a HDA file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your HDA files.
What is a HDA file?
A .HDA file is a HotDocs Auto-Assemble file.
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open HDA files
We have identified one HDA opener that is compatible with this specific type of HDA file.
Programs that open HotDocs Auto-Assemble files
 | HotDocs | Verified |
Last updated: September 27, 2023
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 |
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.