NAS File Extension

NAS file extension is created by MSC Software, also known as Nastran Input File. NAS has been classified as Data Files. You can open and render the contents of this file in a Text Editor. You can open NAS files in MSC Software MSC Nastran program.

Nastran Input File Type

Nastran Input File Type

Extension	.nas
Developer	MSC Software
Popularity	Very Common Common Average Uncommon Rare 5.0 (13 Votes) Thank you for voting!Already voted, thanks!
Mime Type	mime-type/not.available
Default Program	MSC Software MSC Nastran
Category	Data Files
Format	Text
Updated	6/1/2025

What is a NAS File Type?

The SIN file is similar to the .DAT and .BDF files, which are used to enter the MSC Nastran data.

Free online NAS Tools & Apps

We have also the free online .NAS (Nastran Input File) file extension apps that can allow to view, edit, convert from to NAS, merge, split and compare the NAS files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

NAS Files Common Issues

There are few common issues with the Nastran Input File .NAS File Extensions while opening the .NAS files on Windows and MacOs, we have solution to those issues such as:

Can't Open NAS Files?

1. You must have supported software programs installed for Nastran Input File on your system such as MSC Software MSC Nastran.
2. Associate default Msc Software MSC Software MSC Nastran program for *.nas (Nastran Input File) files.
   
   

   Associate NAS Default Program on Windows

   1. Right-click a *.NAS (e.g example.nas) file and click Open With.
   2. In the Open with dialog box, click Msc Software MSC Software MSC Nastran program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .nas files.
   
   

   Associate NAS Default Program on MacOs

   1. Click *.NAS (e.g example.nas) file and click information -> Open With.
   2. In the programs list, click Msc Software MSC Software MSC Nastran program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .MSC Software MSC Nastran extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related NAS File Extensions

NAS default file extension is .NAS and other similer related extensions are:

All Platform Software Programs for NAS File Extension

List of all softwares that can open the NAS files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open NAS File on Windows

	Software	License	Developer
	BRL-CAD 7 for Windows	Open Source	BRL-CAD
	MSC Software MSC Nastran 2014 for Windows	Commercial	MSC Software

Open NAS File on Mac OS

	Software	License	Developer
	BRL-CAD 7 for MacOs	Open Source	BRL-CAD

Open NAS file on Linux

	Software	License	Developer
	BRL-CAD 7 for Linux	Open Source	BRL-CAD
	MSC Software MSC Nastran 2014 for Linux	Commercial	MSC Software

Open NAS file on Web

	Software	License	Developer

Open NAS file on iOS

	Software	License	Developer

Open NAS file on Android

	Software	License	Developer

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About NAS - Nastran Input File

Updated 6/1/2025

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