>> NAS file

NAS file format description

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

1 filename extension(s) found in our database.

.nas - Nastran Input File

The NAS data files are related to MSC Nastran. NAS file is a Nastran Input File. MSC Nastran is a powerful, highly flexible analysis and optimisation finite-element program on an open architecture for analysing stress, vibration, and heat transfer characteristics of structures and mechanical components.

MSC Nastran
Data files
- / -
Nastran Input File related extensions:
Mobipocket Reader Data
Help Combined Full-text Search
Micrografx Designer 4.0 Palette
Microsoft Comic Chat Conversation Data
Metalink Data
MD5 Checksum

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

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

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

ans, as, bas, gas, has, jas, mas, nac, nax, naz, nqs, ns, nsa, nws, nxs

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MongoDB Namespace File
netCDF Data
BASIC Source
Nullsoft Streaming Audio
3COM Router Firmware
Visual Basic Module

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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If you have useful information about the .nas file format, then write to us!