File Extension Library


.SEG1 File Extension

  • Developer by: Smith Micro Software, Inc.
  • Category: Various data Files

What are .SEG1 files and how to open them?

Can't open .SEG1 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 .SEG1 file.

What is a .SEG1 file extension?

.SEG1 file extension is created by Smith Micro Software, Inc.. .SEG1 has been classified as Various data Files.

.SEG1 is Stuffit segment

The seg1 file extension is related to popular Mac OS X (macOS) compression utility called Stuffit, which is able to pack and extract data stored in own Stuffit compression format as well as in other archive file formats.

The seg1 file identifies the first part of multiple archive created by Stuffit. To extract data from multiple archives you must own all parts of them.


How to open:

Use Stuffit to extract data from *.seg1 segment files.

How to convert:

Probably cannot be converted to anything else.

How to fix problems with .SEG1 files

  1. You need to update the application that you normally use to open .SEG1 files. Only the latest version of the software supports the current .SEG1 file format
  2. You need to check the .SEG1 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)