File Extension Library

.SED File Extension

  • Developer by: Microsoft
  • Category: Settings Files
  • Format: Text

What is an .SED file?

.SED file extension is created by Microsoft. .SED has been classified as Settings Files. The format of .SED file is Text.

.SED is IExpress Self Extraction Directive File

File created by IExpress Wizard, a built-in Windows program used for creating Windows installers; contains options used for building a software installation package (.EXE file); includes the files to build into the package, the output package filename, popup messages for the installation process, and various other options.

SED files are used by the IExpress Wizard to build self-extracting executables. They are often used for creating software distributions.

The IExpress program (iexpress.exe) is located in the C:\Windows\System32\ directory.

List of all softwares that can open the IExpress Self Extraction Directive File
Microsoft IExpress Wizard
File Type 2 Sed Script
Developer by: The GNU Project Category: Developer Files Format: Text

Script used by sed (streams editor), a Unix command line utility used for filtering and modifying text; stores one or more statements, which contain pattern matches and replacements; used for storing reusable sed statements.

SED files are used with the following syntax, where -f is the option for specifying a sed script: sed -f file.sed inputfile

List of all softwares that can open the Sed Script

How to Open .SED file on different platforms

Open .SED File on Windows

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

Open .SED File on Mac

  • Right-click (or Ctrl + Left-click) the .SED 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 .SED File on Linux

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

Open .SED File on iPhone

Select a file. If you don't see an application to open the .SED 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 .SED 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 .SED files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .SED files

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