>> NNT file

NNT file format description

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

2 filename extension(s) found in our database.

.nnt - Eudora Addressbook Database

The NNT data files are related to Qualcomm Eudora. NNT file is a Qualcomm Eudora Addressbook Database. Eudora is an e-mail client used on the Apple Macintosh and Microsoft Windows operating systems. The files nndbase.nnt and nndbase.toc in user Application Data directory are the actual address book for Qualcomm Eudora.

Qualcomm Eudora
Data files
- / -
Eudora Addressbook Database related extensions:
ClamAV Local Database
ClamAV Virus Database
MatrixPlot Data
SignPlot Document
Cakewalk Sonar Picture Cache
BitComet URI Data

.nnt - Close Combat 3 Game Data

The NNT game data files are related to Close Combat 3: The Russian Front. NNT file is a Close Combat 3 Game Data. Close Combat 3: The Russian Front is a real-time tactical (RTT) computer game by Atomic Games.

Close Combat 3: The Russian Front
Game Data files
- / -
Close Combat 3 Game Data related extensions:
Azurik: Rise Of Perathia Data
Armobiles Data File
Arena Wars Replay
Arabian Nights Game Data
Another War Game Data
Carmageddon 2 Game Data

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

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

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

nng, njt, nbt, jnt, nmt, bnt, nt, nn, gnt, ntn, nnr, nnf, ngt, mnt, hnt

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Nero BackItUp Job Template
Popcorn Hour A-300 NMT Package
Microsoft Windows Journal Document
Nero BackItUp Template
Pioneer AVIC Navigation Data
Entropia Universe Game Archive

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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