File Extension Library


.SEG1 File Extension

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

What is an .SEG1 file?

.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 Open .SEG1 file on different platforms

Open .SEG1 File on Windows

  • Right-click a .SEG1
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .SEG1 file and Select check box "Always use this app to open .SEG1 files" Press "Ok"

Open .SEG1 File on Mac

  • Right-click (or Ctrl + Left-click) the .SEG1 file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .SEG1 File on Linux

Right click on the .SEG1 file, choose "Open with" and select a program from the list above

Open .SEG1 File on iPhone

Select a file. If you don't see an application to open the .SEG1 file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .SEG1 File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .SEG1 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

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.)