All about NS1 Files

The NS1 file type is primarily associated with NetStumbler.

NS1	File extension: NS1
	File type:	data file

What is an NS1 file?

NS1 files mostly belong to NetStumbler. NS1 files are data files created by NetStumbler for recording wireless network scans.
They capture details from WiFi surveys such as network identifiers, signal strength, and other scan parameters. These files, also known as NetStumbler Wireless Network Files, store the information gathered during a wireless scan to help analyze network performance and security.
Key Details summarized by FilExt.com:

Contain scan results from local wireless networks

Used mainly by NetStumbler and similar tools like NetSpot

Optimized for quick data logging in wireless surveys

Not intended for manual editing

Usage Advice:

Open these files using NetStumbler for accurate interpretation

Backup your NS1 files before any analysis

Review file contents to monitor wireless network conditions

FilExt.com note: More information is available on the NetStumbler website.

How to open an NS1 file

You need a suitable software like NetStumbler to open an NS1 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your NS1 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a NS1 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online NS1 Text Viewer

Choose your .ns1 file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert NS1 files:

NetStumbler
See the previous paragraphs to learn more about the main application. NS1 files are often referred to as NetStumbler data files because this type of file is primarily created or used by this software.
NetStumbler
NetStumbler is a wireless network locator. The identifying characters used for this association are - Hex: 4E 65 74 53, ASCII: NetS. Related links: How to Read and Write .NS1 Files

Technical Data for NS1 File Extension

File classification:

Data

Identifier:

Hex: 4E 65 74 53, ASCII: NetS (provided by TrID database)

Related files:

ns2, ns3, pml, zip, csv, xml, txt, log

Related links:

How to Read and Write .NS1 Files

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: NetStumbler.Document
EXEFile: %ProgramFiles%\NETWOR~2\NETSTU~1.EXE %1

ProgramID: NetStumbler.Document
EXEFile: %ProgramFiles%\NETWOR~1\NETSTU~1.EXE %1

ProgramID: NetStumbler.Document
EXEFile: %ProgramFiles%\Network Stumbler\NetStumbler.exe

ProgramID: NetStumbler.Document
EXEFile: %ProgramFiles%\_WWWUT~1\Connect\NETWOR~1\NETSTU~1.EXE

Show all 4 listings To Top

an ns1 data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with NS1 files

Associate the NS1 file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest NS1 file format. Search, therefore, e.g. on the manufacturer website after an available NetStumbler update.
To make sure that your NS1 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .NS1 file online - secure, fast, and no downloads needed.