File Extension Library


.SUN4 File Extension

  • Developer by: Sun Microsystems, Inc.
  • Category: Various data Files

What are .SUN4 files and how to open them?

Can't open .SUN4 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .SUN4 file.

What is a .SUN4 file extension?

.SUN4 file extension is created by Sun Microsystems, Inc.. .SUN4 has been classified as Various data Files.

.SUN4 is SunOS Solaris 4 file

The SUN4 file extension is associated with SunOS version 4 called Solaris a Unix-based operating system for various hardware platforms. The .sun4 stores various data used for internal purposes of the Solaris.

Sun Microsystems is now part of Oracle.


How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .sun4 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .SUN4 files

  1. You need to update the application that you normally use to open .SUN4 files. Only the latest version of the software supports the current .SUN4 file format
  2. You need to check the .SUN4 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)