PDFUA File Extension

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  • Developer:
    Adobe Systems Incorporated
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    • Star
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How to open PDFUA file?

After double-clicking on the unknown file icon, the system should open it in the default software that supports it. If this does not happen, download and install the Adobe Acrobat software and then manually associate the file with it.

Step 1. Download and install Adobe Acrobat

If there is no Adobe Acrobat or similar software in the system that supports files with the PDFUA extension, you must first download and install it. Below you will find a list of the most-used applications that work with PDFUA. After going to the subpage of the program you will find a link to the developer's website, where you can safely download the software installer.

Programs that open files PDFUA

Step 2. Associate Adobe Acrobat with the PDFUA file extension

If the user already has one of the applications installed, the next step will be to associate it with the file extension PDFUA. This can be done in two ways - one is to manually edit the Windows Registry and HKEY_CLASSES_ROOT keys. The second way is simpler and definitely recommended for less advanced users.

  • Right click on the unknown PDFUA file you want to open
  • Select "Open with" from the menu
  • Click "Choose another application"
  • Click "More applications"
  • Click "Find more applications on this PC" and indicate the installation location of the appropriate program
  • Finally, select the "Always use the selected program to open PDFUA files" option and confirm the whole operation.

Remember! Manually editing the system registry is only recommended for advanced users, and changes made to it without proper knowledge may result in damage to the system.

Step 3. Check out other possible problems related to PDFUA files.

Sometimes it happens that despite having the right application and the correct configuration, there are still problems with opening the PDFUA files. You should then find out what is the reason of the problem.

  • Check if the PDFUA file is not infected - When the file PDFUA is infected with a virus or malware, it probably will not be able to be opened correctly. In this case, scan the PDFUA file and take the actions recommended by the antivirus program installed on the system. Most often it is disinfection or deletion of an infected file.
  • Check if you, as the operating system user, have appropriate permissions to work with the file PDFUA
  • Check if the icon is an element of the correct file but not only a shortcut to the location where the PDFUA file no longer exists.
  • Check that the system has the necessary resources to run the Adobe Acrobat application and open the PDFUA file.
  • Check if the file is complete - Sometimes it happens that the PDFUA file was not copied completely from the external Flash memory, or downloaded from the Internet. When the file is incomplete, it is not possible to open it correctly. In this case, please download or copy the file PDFUA again.

Step 4. Contact an IT expert

When all of the above methods have failed, it remains to contact an IT specialist or developers of the ADOBE ACROBAT program.

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