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>> AP4 file

AP4 file format description

Many people share .ap4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ap4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ap4 files.

1 filename extension(s) found in our database.

.ap4 - Kids&Us Storybook Audio File

AP4 file is a Kids&Us Storybook Audio File. Kids&Us is a language school specialized in children from 1 year old.

.ap4 file format description:
AP4 format description not yet available
Kids&Us Talking Pen
Audio files
- / -
Kids&Us Storybook Audio File related links:
Kids&Us Storybook Audio File related extensions:
JCB-JCBrooke Music Module
MadTracker Sample
Buzz Music Data
ETRI MT9 Audio
UltraTracker Music Module
Sound Forge Audio Data

Naturally, other applications may also use the .ap4 file extension. Even harmful programs can create .ap4 files. Be especially cautious with .ap4 files coming from an unknown source!

Can't open a .ap4 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ap4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

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

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

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

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .ap4 file format, then write to us!