File Extension Library


.APLN File Extension

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

What are .APLN files and how to open them?

Can't open .APLN file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .APLN file.

What is a .APLN file extension?

.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 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.)