What's the NS4 File?

By:   |   Edited: November 26, 2018

Microsoft Silver

NS4 File Summary

Most NS4 files can be viewed with two known software applications, typically IBM Lotus Notes developed by IBM. and associated with the Lotus Notes 4 Database format as it's primary file type. These files can be categorized as Database Files.

The NS4 File Extension can be viewed on the Windows, Mac, and Linux operating systems. They are supported on both desktop and mobile devices. The Popularity Rating for NS4 files is "Low", which means these files are not ordinarily found on an everyday user's device.

Please see the detailed information below to learn more about NS4 files and the programs that can open them. In addition, we provide simple troubleshooting information to help you open your NS4 file.

Low
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2018

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NS4 Types


Chief NS4 Description

.NS4
File Format:.ns4
Category:Lotus Notes 4 Database

A database file made using Lotus Notes 4.x. It stores a list of contacts, e-mail messages, text notes, calendars, and other information. It contains structured data for personal as well as business organization management.

Company: IBM
Class:Database Files
Key: HKEY_CLASSES_ROOT\.ns4

Software Programs That Open The Lotus Notes 4 Database:


IBM Lotus Notes by IBM

Windows
Mac

IBM Domino by IBM

Windows
Linux

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NS4 File Popularity


OS Ranking

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


Understanding NS4 Issues


Issues Opening NS4 Files

IBM Lotus Notes Removed

Double-clicking your NS4 file prompts the message "%%os%% Can't Open NS4 File". Generally, this is experienced in %%os%% because IBM Lotus Notes isn't installed on your PC. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you don't have IBM Lotus Notes installed, and you know of another program to open your NS4 file, you can try opening it by selecting from the programs listed under "Show Apps".


Wrong Version of IBM Lotus Notes is Installed

Sometimes your installed version of IBM Lotus Notes won't support your Lotus Notes 4 Database file. If you do not have the proper version IBM Lotus Notes (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: If you right-click on your NS4 file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Primarily, problems experienced when opening NS4 files are due to having the incorrect version of IBM Lotus Notes installed on your computer.


Other Causes of NS4 File Opening Problems

You can still experience errors opening NS4 files even with the latest version of IBM Lotus Notes installed on your PC. Other NS4 opening errors can be created by other system problems inside of %%os%%. Other contributing causes:

  • Corrupt Windows Registry file path references for NS4
  • Deletion of the NS4 file description from the Registry by mistake
  • Incomplete or bad installation of a software application associated with the NS4 format
  • File corruption affecting your NS4 file
  • Your NS4 is infected with malware
  • Drivers associated with NS4 software need to be updated
  • Insufficient system resources to successfully open Lotus Notes 4 Database files

Poll: How many different computer files (eg. documents, videos, audio) do you typically view or edit on a daily basis?









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