>> NCI file

NCI file format description

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

1 filename extension(s) found in our database.

.nci - Mastercam NCI Lines Data

The NCI data files are related to Mastercam. NCI file is a Mastercam NCI Lines Data. Mastercam is a computer-aided design (CAD) and manufacturing (CAM) tool that was created by CNC Software.

Data files
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Mastercam NCI Lines Data related extensions:
Mastercam Geometry Data
Mastercam 8 Document
Mastercam 9 Document
Mastercam X Document
Mastercam X9 Document
Mastercam X5 Document

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

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

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

bci, ndi, nxi, nsi, ni, ncl, nc, jci, gci, ci, nvi, nic, nfi, nco, nck

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Belarc Advisor Report
Novell Netware Device Information File
PSDsoft Express JTAG Chain Information
iBlaze Case Information File
CARAIBES Navigation Data

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.


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

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