NAC File

What are NAC files and how to open them

Are you having problems opening a NAC file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your NAC files.

What is a NAC file?

NAC files have multiple uses, and NacDraw Document is one of them. Read more about the other uses further down the page.

NacDraw Document

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open NAC files

Important: Different programs may use files with the NAC file extension for different purposes, so unless you are sure which format your NAC file is, you may need to try a few different programs.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Last updated: January 25, 2025

All known file formats using extension .NAC

While NacDraw Document is a popular type of NAC-file, we know of 2 different uses of the .NAC file extension. Different software may use files with the same extension for different types of data.

NetActive Container

We know that one NAC format is NetActive Container. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about NAC file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.