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Basic information about NS1 file

When there is a problem with opening files with the file extension NS1（*.NS1 or *.ns1）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the NS1 file yourself.

There are 1 file types using the NS1 file extension in our database. In the further part of this page, you will find detail information about all the NS1 file with their brief description and a list of programs that support NS1 file sorted by operating systems. The table below provides useful information about the NS1 file extension. It answers questions such as:
  • What is the NS1 file?
  • How to open a NS1 file?
  • What programs do I need to open a NS1 file?
  • What programs help to create and edit a NS1 file?
  • How to convert NS1 files to another file format?
  • How to convert another files to NS1 file format?


1.Detail information about NS1 file extension: Nestopia Save State

File type Nestopia Save State Category Game Files
Developer Martin Freij File format N/A
Description NS1 file is a Nestopia Save State developed by Martin Freij. Save state created and used by Nestopia, a Nintendo Entertainment System (NES) emulator; stores a saved game state that allows you to resume your game from the save point point at a later time.
Software programs that will open, edit or convert NS1 files

Windows		 Nestopia



Can't open a NS1 file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.NS1”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the NS1 extension without any issue.


Where I can download the application that support NS1 file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of NS1 files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a NS1 file?

The reasons for the lack of the ability to open a NS1 file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a NS1 file. If there is still something wrong, you might want to check:

  • Whether the NS1 file is damaged.
  • Whether the NS1 file is incorrectly linked in the registry entries.
  • Whether the NS1 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the NS1 file format is incompletely.
  • Whether the NS1 file is infected.
  • Whether the drivers of the equipment used for opening a NS1 file are up to date.
  • Whether your computer has enough hardware resources to open a NS1 file.

If the NS1 file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.