>> NNM file

NNM file format description

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

1 filename extension(s) found in our database.

.nnm - HP OpenView Network Node Manager Configuration

The NNM configuration files are related to HP OpenView. NNM file is a HP OpenView Network Node Manager Configuration. HP OpenView Network Node Manager is a fault management application for IP networks.

HP OpenView
Configuration files
- / -
HP OpenView Network Node Manager Configuration related extensions:
ERDAS Imagine Workspace Layout
DOpus Exported Settings
DOpus v9 Preferences Data
HTTP Net Header Configuration
GFI Backup 2009 Tasks
GFI Backup 2010 Tasks

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

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

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

nnl, gnm, nmm, nhm, nbm, hnm, nn, nm, ngm, mnm

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Network Notepad Professional License
Filmetrics F20 Material Data
Cryo HNM Movie Soundtrack
Nightmare Module
Autodesk Character Studio Marker Name
Nero CD File List

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

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