A daily updated filename extension database!

NS4 file extension

The table below provides useful information about the .ns4 file extension. It answers questions such as:

  • What is the .ns4 file?
  • What program do I need to open a .ns4 file?
  • How can the .ns4 file be opened, edited or printed?
  • How can I convert .ns4 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Lotus Notes 4 Database

NS4 file is a Lotus Notes 4 Database. Lotus Notes is the "classic" client for accessing the Domino/Notes server and processing e-mail, appointments, contacts and much more.
Category: Data files
Application: Notes
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
NS4 aliases:
NS4 related links:
NS4 related extensions:
General Data File

Lotus Notes Data

Lotus Notes Content Source

Lotus Notes Template

Lotus Notes Database

Lotus Notes User ID File

Lotus Notes Design Elements

Lotus Notes Redirect File

Lotus Notes Data Link

Lotus Notes Linked Object

Other types of files may also use the .ns4 file extension.

🚫 The .ns4 file extension is often given incorrectly!

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

bs4, gs4, ms4, nc4, ns, nse, nsr, nst, nw4, sn4

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

MongoDB Namespace File
Nmap Scripting Engine Script
Mikogo Recorded Session
Drive Snapshot Backup Data
Novell NetWare 4 Data
MAILERS+4 Index Data
Scid Name Data
Genecyst Emulator Saved State
netCDF Data
EMC NetWorker Directive File

🔴 Can't open a .ns4 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ns4 file association, check the FAQ.

🔴 Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ns4 file extension, write to us!

🔴 Rate our NS4 page

Please help us by rating our NS4 page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

4 of 5 stars (20 votes)
Thanks for voting!
Invalid vote.
Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文