Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .nnd

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .nnd file?
  • Which program can create the .nnd file?
  • Where can you find a description of the .nnd format?
  • What can convert .nnd files to a different format?
  • Which MIME-type is associated with the .nnd extension?
CYMFLOW Network Data .nnd file icon

CYMFLOW Network Data

The NND file is a CYMFLOW Network Data. CYMFLOW is the analysis module of PSAF dedicated to power flow analysis in three-phase electric power networks.
Detailed description not available
Category: Data files
Application: CYMFLOW
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Aplitop MDT Points Data
PoldatDB Data
EasyLog Log Record
Hydrographic Transfer Format Data
Defense Department DLA Procurement Data

Other types of files may also use the .nnd file extension. If you have helpful information about .nnd extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Typequick BND Data
ArcGIS ArcPad Geography Network Definition
Cytoscape Nested Network Format File
Nero CD File List
NobleNet Web Data
Intuit QuickBooks Network Data File

The .nnd filename extension is often given incorrectly!

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

nhd (6), nd (1), mnd (1), gnd (1), nns (1), nnf (1), nmd (1), ngd (1), nbd (1), hnd (1), bnd (1), nnw (1), nnr (1), nn (1)

Can't open a .nnd file?

If you want to open a .nnd file on your computer, you just need to have the appropriate program installed. If the .nnd association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.nnd

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android