A daily updated filename extension database!

NS2 file extension

The table below provides useful information about the .ns2 file extension. It answers questions such as:

  • What is the .ns2 file?
  • What program do I need to open a .ns2 file?
  • How can the .ns2 file be opened, edited or printed?
  • How can I convert .ns2 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 2 Database

NS2 file is a Lotus Notes 2 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: -
NS2 aliases:
NS2 related links:
NS2 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 .ns2 file extension.

🚫 The .ns2 file extension is often given incorrectly!

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

bs2, gs2, hs2, ms2, n2, n2s, n52, nc2, ne2, ns, nse, nsq, nsw, nsz, nx2

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Rumble Fighter Data
BASIC Stamp 2 Code
Genecyst Emulator Saved State
NScheduler Data
MongoDB Namespace File
Drive Snapshot Backup Data
HyperRESEARCH 2 Study
NewsLeecher Cache
EditTools Never Spell Word Data
Nmap Scripting Engine Script

🔴 Can't open a .ns2 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 .ns2 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 .ns2 file extension, write to us!

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