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Navigation: Home > AP4 file

Informations about the AP4 filename extension and the file formats associated with it

We collected the information you should know about the .ap4 filename on this page. If you were sent a(n) .ap4 file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.ap4 - Kids&Us Storybook Audio File

The AP4 file is a Audio file, which is connected to the Kids&Us Storybook Audio File according to our registry. With the adequate settings, the Kids&Us Storybook Audio File (.ap4) files can be opened or converted with the help of Kids&Us Talking Pen.

Format description:
AP4 format description not yet available
Kids&Us Talking Pen
Magic string:
- / -
Related links:
Related extensions:
UTAU Synth Vocal Track
Defractor 2 Instrument
NoteWorthy Composer Music
SmartMusic Accompaniment
Impulse Tracker Music Sample
A-Law Compressed Audio File

Important! Programs other than the ones listed above may also use the .ap4 file extension. Even harmful programs can create files with the .ap4 extension to store data in them. Always be careful with .ap4 files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .ap4 file can’t be opened on your computer?

If the program necessary for opening the .ap4 file is installed properly on your computer, then the quickest and simplest way to open the .ap4 file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .ap4 file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .ap4 extension

The .ap4 filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .ap4 files.

a4p, zp4, p4, apr, ap, pa4, apt, ape

Maybe you’re not even looking for the .ap4 file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .ap4 extension. It’s possible that the one you’re looking for is among them.

Macromedia Authorware Source
KiriKiri Package
Nimbus 7 SAMS APRIORI Data
WebSuite Active Page
Alphacam Punch Tool Data
Monkey`s Audio File

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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