>> NAC file

NAC file format description

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

1 filename extension(s) found in our database.

.nac - 3COM Router Firmware

The NAC data files are related to 3COM Router. NAC file is a 3COM Router Firmware. Firmware is a software program or set of instructions programmed on a hardware device.

3COM Router
Data files
- / -
3COM Router Firmware related extensions:
CN3 Extended Ephemeris Data
CN3 Compressed Extended Ephemeris Data
HPE LoadRunner Analyzed Results
HPE LoadRunner Raw Results
Timeliner 5 Data
Pentaho Reporting Archive

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

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

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

ac, anc, bac, gac, hac, jac, mac, nad, naf, nas, nav, nax, nc, nca, nqc

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Avantrix Backup Plus Backup Data
Nastran Input File
Helma Actions Script
GNU Autoconf Input File
CaseWare Working Papers Client File
Alphacam NC Program

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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