PDX File Extension

Adobe Acrobat Index Format
- File Type pdx
- Developer Adobe Systems
- Popularity
- Application Adobe Acrobat Pro DC
- Category Data Files
What is a PDX file?
Adobe Acrobat Index Format, identified by the PDX extension, is a Data Files type and includes 6196 files.
Adobe, the developer of the Adobe Acrobat Index Format (PDX), has released file format and 81 programs designed to handle them.
PDX files are compatible with various operating systems, including Windows, Mac OS and Linux. There are 3 programs available to open a PDX file, including popular tools like Adobe Acrobat Pro DC, Adobe Creative Cloud and Adobe Creative Suite.
Programs that support PDX files
How to open a PDX file?
If you are having trouble opening a PDX file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
Adobe Acrobat Pro DC, Adobe Creative Cloud and Adobe Creative Suite are recognized as the most popular software solutions for dealing with PDX files. If you wish to install the latest release of Adobe Acrobat Pro DC, visit the official Adobe portal and download the edition that works on any operating system.
Once Adobe Acrobat Pro DC is installed, the OS should configure it as the default tool for opening PDX files.
Set Adobe Acrobat Pro DC as the default PDX handler
Setting a default program by file type in Windows
- Right-click on your PDX file and choose the "Open With" option. Then click "Choose another app" to continue the process;
- In the pop-up window, find and select the Adobe Acrobat Pro DC application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening PDX files.
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired PDX file to launch the file options menu;
- Select "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.
How to edit a PDX file?
Editing PDX files requires installing professional software that lets you open and edit data files. Online editors have more limitations compared to dedicated Adobe Acrobat Index Format programs.
List of Top PDX editors 2026
According to these factors, we have compiled a list of available PDX editors.
| PDX Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Adobe Acrobat Pro DC | Adobe | Windows, Mac OS | 4.6 out of 5 (37 reviews) |
Convert to and from PDX
If a PDX file is cumbersome, converting it to formats such as PDF or other supported types can make it easier to manage.
Converting a PDX file may not fully retain all functionality, but it is generally possible to return it to the original format.
Convert PDX to other file formats
Effective solutions for PDX file problems
If PDX files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.
What are the possible solutions to recover a corrupt PDX file?
Start a data recovery program and open the damaged PDX file. Go to the menu and select the "Repair" option to repair the file. Allow the recovery process to complete, which will automatically repair the damaged data files.
Are there any symptoms that my PDX file is damaged?
Corrupted PDX data files may show the following signs:
- Opening the file in Adobe Acrobat Pro DC or other programs causes them to hang or crash;
- Error dialogs are displayed when interacting with the file;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the PDX file;
- Editing the archive in Adobe Acrobat Pro DC is accompanied by slow performance or delays;
What are the possible causes of Adobe Acrobat Pro DC crashing?
The absence of software updates can cause Adobe Acrobat Pro DC to crash. It is recommended to install the latest available updates for Adobe products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.






