File Extension Library


.APLN File Extension

  • Developer by: Adobe Systems Incorporated
  • Category: Plugin, addon Files

What is an .APLN file?

.APLN file extension is created by Adobe Systems Incorporated. .APLN has been classified as Plugin, addon Files.

.APLN is Adobe InDesign 3rd party plug-in

The apln file extension is associated with the Adobe InDesign professional layout program for Mac and Windows computers for print and digital publishing.

The apln file stores plug-in created by Adobe or 3rd party developers that adds new extra features to InDesign.


How to open:

Plugin .apln files are intended to use only with Adobe InDesign. You can import it to InDesign and add new functions to this DTP software.

How to convert:

As far as we know, this .apln file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to Open .APLN file on different platforms

Open .APLN File on Windows

  • Right-click a .APLN
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .APLN file and Select check box "Always use this app to open .APLN files" Press "Ok"

Open .APLN File on Mac

  • Right-click (or Ctrl + Left-click) the .APLN file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .APLN File on Linux

Right click on the .APLN file, choose "Open with" and select a program from the list above

Open .APLN File on iPhone

Select a file. If you don't see an application to open the .APLN file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .APLN File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .APLN files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .APLN files

  1. You need to update the application that you normally use to open .APLN files. Only the latest version of the software supports the current .APLN file format
  2. You need to check the .APLN file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)