APPEX file format description

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

1 filename extension(s) found in our database.

.appex - Mac OS X Application Extension

The APPEX other files are related to Mac OS X. APPEX file is a Mac OS X Application Extension. Mac OS X is an operating system developed and marketed by Apple.

Application:

Mac OS X

Category:

Other files

Mime-type:

application/octet-stream

Magic:

- / -

Aliases:

Mac OS X Application Extension related extensions:

.tco2: TI-Nspire CX II OS Image
.plasmoid: KDE Plasma Widget
.lrmodule: Adobe Photoshop Lightroom Module
.odoc: Synology Office Document Pointer
.lrlib: Adobe Photoshop Lightroom Library
.rru: Ricoh Printer Firmware Update

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

Can't open a .appex 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:

example.appex

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.

Open Control Panel > Control Panel Home > Default Programs > Set Associations.
Select a file type in the list and click Change Program.

The .appex file extension is often given incorrectly!

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

apex, appx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.apex: Android Pony EXpress Package
.appx: Microsoft Windows 8 App Package
.apex: AVM Sample Studio Sound Bank

Operating systems

DataTypes.net currently supports the following operating systems:

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

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

https://datatypes.net/open-appex-files

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