.NAS File Extension

MSC Software
File Type:
Nastran Input File

Having trouble opening .nas extension? Don't panic! This page explains what nas files are as well as suggests programs you may use to open nas files. You can download these programs through this page.

What is a NAS file?

Nas file extension has Nastran Input file type, developed by MSC Software, which is associated with the "data files" category.

Associated with MSC Nastran, the input file defines input bulk data, which allows analyzing the strain and stress of component and system level models of structures. Such data is provided in the FORTRAN programming language, and may contain the bulk data name, node locations of the elements comprising the models, and other information.
NAS files have a lot in common with both .DAT and .BDF files, applied by MSC Nastran.

To learn how you can open the given file, read the information below.

nas file icon
MSC Software
File Type:
Nastran Input File
Data Files

How to open NAS file?

Double click the nas file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .nas extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the nas extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the nas file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open NAS files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the nas file as well. Download Universal File Viewer for your OS.

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