File Extension Library


.AP4 File Extension

  • Category: Audio and sound Files

What are .AP4 files and how to open them?

Can't open .AP4 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 .AP4 file.

What is a .AP4 file extension?

.AP4 file extension has been classified as Audio and sound Files.

.AP4 is Kids&Us Talking Pen audio

The ap4 file extension is associated with the Talking Pen, an e-learning device that allows kids to learn how to pronounce English properly.

The ap4 file stores audio data for Talking Pen. They can be imported to device from computer via USB.

.AP4 file format is deprecated and this file format is no longer supported.

Currently, .AP4 file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Use Kids&Us Talking Pen to playback *.ap4 files.

How to convert:

Conversion to other formats seems to be impossible.

How to fix problems with .AP4 files

  1. You need to update the application that you normally use to open .AP4 files. Only the latest version of the software supports the current .AP4 file format
  2. You need to check the .AP4 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)