>> ZEN file

ZEN file format description

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

1 filename extension(s) found in our database.

.zen - Zemax Face Number File

The ZEN data files are related to Zemax. ZEN file is a Zemax Face Number File. Zemax is an optical design program that is used to design and analyze imaging systems such as camera lenses, as well as illumination systems.

Data files
- / -
Zemax Face Number File related extensions:
Zemax ASCII Glass Catalog
Zemax Annotations Data
Zemax Binary Glass Catalog
Zemax Binary Image Surface Data
Zemax Scattering Distribution Data
Zemax Element Drawing Settings

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

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

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

aen, en, sen, xen, z3n, zeg, zem, zn, zrn, zsn

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Inventus Antum Secured Mail Encrypted Data
English Language Info File
Scifer Internal Header Archive
ACOS Plus.1 Project
Guitar Hero III Data
ZW3D Neutral Format File

Operating systems 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

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