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HDA File Extension

HotDocs Auto-Assemble Format
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What is HDA file?

An .HDA file, also known as the HotDocs Auto-Assemble (HAD) file, is a document template file that is created by the document automation program HotDocs. The program is used as document production software for creating multiple documents adhering to similar template. As the HotDocs program is considered as a powerful tool for providing various functions, which can also be used to automatically assemble the document. It contains rules and formulas to be included and removed as information from the document. Further, the program template can be published to automatically assemble the document. 

Programs which support HDA file extension

The following listing features HDA-compatible programs. Files with HDA suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support HDA file

Windows Windows

Updated: 05/17/2022

How to open file with HDA extension?

Problems with accessing HDA may be due to various reasons. Fortunately, most common problems with HDA files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with HDA files.

Step 1. Download and install HotDocs

Install software to open HDA file The most common reason for such problems is the lack of proper applications that supports HDA files installed on the system. The solution to this problem is very simple. Download HotDocs and install it on your device. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit HotDocs website and download the installer.

Step 2. Update HotDocs to the latest version

Update software that support file extension HDAIf the problems with opening HDA files still occur even after installing HotDocs, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of HotDocs is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of HotDocs installed, it may not support HDA format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using HotDocs.

Step 3. Assign HotDocs to HDA files

After installing HotDocs (the most recent version) make sure that it is set as the default application to open HDA files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with HDA file on Windows

Selecting the first-choice application in Windows

  • Right-click the HDA file and choose Open with option
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the HotDocs installation folder. Confirm by checking Always use this app to open HDA files box and clicking OK button.
Associate software with HDA file on Mac

Selecting the first-choice application in Mac OS

  • By clicking right mouse button on the selected HDA file open the file menu and choose Information
  • Find the Open with option – click the title if its hidden
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • A message window should appear informing that This change will be applied to all files with HDA extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the HDA file is complete and free of errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper HDA file. It is probable that the file is corrupted and thus cannot be accessed.

Check HDA file for viruses
1. Check the HDA file for viruses or malware

If the HDA is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. HDA file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the HDA file’s structure is intact

If you obtained the problematic HDA file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with HDA extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Log out of your current account and log in to an account with sufficient access privileges. Then open the HotDocs Auto-Assemble Format file.

4. Verify that your device fulfills the requirements to be able to open HotDocs

If the systems has insufficient resources to open HDA files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with HotDocs Auto-Assemble Format files. It is possible that one of the available system or driver updates may solve the problems with HDA files affecting older versions of given software.

Do you want to help?

If you have additional information about the HDA file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on HDA file.

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