APLN File Extension
Adobe InDesign 3rd Party Extension
- File Type apln
- Developer Adobe Systems Incorporated
- Popularity
- Application Adobe InDesign
- Category Plugin Files
What is a APLN file?
Adobe InDesign 3rd Party Extension, identified by the APLN extension, is a Plugin Files type and includes 252 files.
With the creation of the Adobe InDesign 3rd Party Extension (APLN), Adobe introduced file format along with 81 programs built for their use.
APLN files are supported by Mac OS, Windows and Linux. You can import a APLN file using one of 3 programs, for example Adobe InDesign, Adobe Creative Cloud and Adobe Creative Suite.
Programs that support APLN files
How to open a APLN file?
The most common reason why a APLN file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
The most popular programs for working with APLN files are Adobe InDesign, Adobe Creative Cloud and Adobe Creative Suite. To get the latest version of Adobe InDesign, open the Adobe website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign Adobe InDesign as the default app for APLN files.
Make Adobe InDesign the default APLN viewer
Changing the default program in Windows
- Start by right-clicking on your APLN file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- Inside the popup window, scroll through the list of applications and specifically choose Adobe InDesign as the application to associate with your APLN file;
- Check the "Always use this app" checkbox and click "OK".
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired APLN file to access a dropdown menu of actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to Adobe InDesign. Check the box next to "Always open in app" to make it the default program.
Finding answers to APLN file problems
If you encounter issues with APLN files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my APLN file is damaged?
Corrupted APLN plugin files may have one or more of the following symptoms:
- Opening or processing the file in Adobe InDesign or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- Unexpected expansion of the total size of the APLN file;
- Working with the file triggers the display of error messages;
Why does Adobe InDesign quit or crash unexpectedly?
Adobe InDesign crashes can be attributed to outdated software. Make sure you have installed the latest updates for Adobe products.
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 methods can be used to repair a damaged APLN file?
Use a recovery program to open the damaged APLN file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged plugin files.