.NS4 File Extension

Lotus Notes 4 Database

Developer IBM
Popularity
1.5  |  2 Votes
Category Database Files
Format Binary

What is an NS4 file?

Database file created by Lotus Notes 4.x; contains a list of contacts, text notes, e-mail messages, calendars, and other information; stores structured data for personal and business organizational management.

More Information

"Domino," the Notes server program, was released in 1996 along with Notes 4.5. Many following updates were only released for Windows, but Lotus Notes 7.0.2 was released for Mac OS X in 2006.

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Programs that open NS4 files

Windows
IBM Lotus Notes 2 or later
Lotus Domino
Mac
IBM Lotus Notes 2 or later
Lotus Domino
Updated January 4, 2007

Verified by FileInfo.com

The FileInfo.com team has independently researched the Lotus Notes 4 Database file format and Mac and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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