AX4 file format description

Many people share .ax4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ax4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ax4 files.

1 filename extension(s) found in our database.

.ax4 - Apex Sketch v4 Document

The AX4 document files are related to Apex Sketch. The AX4 file is an Apex Sketch v4 Document. Apex Sketch is property sketch and area calculation software.

Apex Sketch
Document files
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Apex Sketch v4 Document related extensions:
Autodesk 3D Studio Material Library
Musicnotes Digital Sheet Music
StarOffice Impress Template
Keypoint Presentation Document
Edraw Max Compressed Document
Lotus 1-2-3 for OS/2 Worksheet

Naturally, other applications may also use the .ax4 file extension. Even harmful programs can create .ax4 files. Be especially cautious with .ax4 files coming from an unknown source!

Can't open a .ax4 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 .ax4 file extension is often given incorrectly!

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

aa4, ac4, ad4, as4, ax, axe, axr, axt

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

DirectShow Filter Plugin
Clone Manager Compare Results Data
SurfSaver Data
AXIS Diplomat Report Data
Annotated XML Example
4-bit ADPCM Compressed Audio

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .ax4 file format, then write to us! >> AX4 file