Files with a03 file extension are related to the WOW! firmware module format.

There are 2 other file types using
the A03 file extension!

a03 icon.a03 - Split Multi-volume ARJ compressed file archive (part 5) [common]

empty icon.a03 - Split Multi-volume ALZip compressed file archive (part 5)

Detailed description

Software that open a03 file

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A03 file extension - WOW! firmware module

What is a03 file? How to open a03 files?

File type specification:

Various data file type icon Various data file type

The a03 file extension is related to the WOW!, a software for Microsoft Windows operating system, which enables car mechanics to diagnose car faults.

The a03 file contains firmware module.

Updated: July 16, 2019

The default software associated to open a03 file:

WOW! picture or screenshot

WOW!  Microsoft Windows software

Company or developer:
W├╝rth

WOW! diagnostic software enables applications extending far beyond plain old ECU diagnosis: Diagnosis, technical data and labour values are ideally interconnected to enable you to work efficiently.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .a03 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open a03 file, edit a03 file, convert a03 file, view a03 file, play a03 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with a03 file - WOW! firmware module

Click on the software link for more information about WOW!. WOW! uses a03 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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