PDFX File Extension
PDF/X Document
- File Type pdfx
- Developer Adobe Systems Incorporated
- Popularity
- Application Adobe Acrobat Pro DC
- Category Document Files
What is a PDFX file?
Files with the PDFX extension are specifically tied to PDF/X Document, a Document Files type, and there are 969 files in this category.
The PDF/X Document (PDFX) was developed by Adobe, which created file format and 81 programs to work with them.
PDFX file support extends to various operating systems, including Windows and Mac OS. To open a PDFX file, you can choose from 2 programs such as Adobe Acrobat Pro DC and Adobe Acrobat Reader DC.
Programs that support PDFX files
How to open a PDFX file?
If you cannot open a PDFX file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
Thanks to their popularity, Adobe Acrobat Pro DC and Adobe Acrobat Reader DC are often the go-to programs for managing PDFX files. If you need the newest version of Adobe Acrobat Pro DC, just access the Adobe website. From there you can download the installer compatible with all systems.
Once Adobe Acrobat Pro DC is installed, the OS should configure it as the default tool for opening PDFX files.
Make Adobe Acrobat Pro DC the default PDFX viewer
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired PDFX file to access a dropdown menu of actions;
- Choose "Open in Application" and click "Other";
- Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
- In this menu, select "All Programs" and search for Adobe Acrobat Pro DC. Check the box next to "Always open in app" to make it the default option.
Change a default app in Windows
- Start by right-clicking on your PDFX file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- Inside the popup window, scroll through the list of applications and specifically choose Adobe Acrobat Pro DC as the application to associate with your PDFX file;
- Check the "Always use this app" checkbox and click "OK".
Finding answers to PDFX file problems
If PDFX files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.
What can lead to sudden Adobe Acrobat Pro DC crashes?
Insufficient updates for Adobe products can cause Adobe Acrobat Pro DC to crash. Be sure to regularly install the latest software updates.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
What is the recommended approach to repair a damaged PDFX file?
Use a recovery program to open the damaged PDFX file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged document files.
What are the ways to check if my PDFX file is damaged?
Characteristics of corrupted PDFX document files can include:
- The file encounters problems during the opening process or shows error indications;
- Editing the archive in Adobe Acrobat Pro DC is hampered by poor overall performance;
- The file causes Adobe Acrobat Pro DC or other software to hang or crash during various operations;
- An unexplained increase in the size of the PDFX file;
- Actions performed on the file result in the appearance of error notifications;
How to edit a PDFX file?
To modify PDFX files, you need to install special software that makes it possible to open and edit document files. Online PDFX editors are more restricted compared to software designed for PDF/X Document.
Best PDFX editors 2026
According to these factors, we have compiled a list of available PDFX editors.
| PDFX Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Adobe Acrobat Pro DC | Adobe | Windows, Mac OS | 4.6 out of 5 (37 reviews) |
Convert files to and from PDFX
If handling a PDFX file is problematic, consider converting it to alternative formats such as PDF or other supported types.
After converting a PDFX file, some capabilities may be limited, but you can often convert it back to the original format.