.NS4 File Extension

Developer:
IBM
File Type:
Lotus Notes 4 Database
Popularity:

Having trouble opening .ns4 extension? Don't panic! This page explains what ns4 files are as well as suggests programs you may use to open ns4 files. You can download these programs through this page.

What is a NS4 file?

Ns4 file extension has Lotus Notes 4 Database file type, developed by IBM, which is associated with the "database files" category.

Lotus Notes 4.x software is responsible for creating database files with this extension. They include contact lists, saved email messages, calendars, text notes, and other information. The data stored in NS4 files is structured and often used for personal needs as well as for business management.  

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

ns4 file icon
Developer:
IBM
File Type:
Lotus Notes 4 Database
Category:
Database Files
Format:
Binary

How to open NS4 file?

Double click the ns4 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 .ns4 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 ns4 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".
4.462.298 downloads

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 ns4 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 NS4 files

  • Windows Windows
    • IBM Lotus Notes 2 or later IBM Lotus Notes 2 or later
    • Lotus Domino Lotus Domino
  • MacOS MacOS
    • IBM Lotus Notes 2 or later IBM Lotus Notes 2 or later
    • Lotus Domino Lotus Domino

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 ns4 file as well. Download Universal File Viewer for your OS.

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