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Details of the .s4p file extension

The table below provides useful information about the .s4p file extension. It answers questions such as:

  • What is the .s4p file?
  • What program do I need to open a .s4p file?
  • How can the .s4p file be opened, edited or printed?
  • Where can I find the specifications for .s4p?
  • Which MIME-type is associated with the .s4p extension?
  • How can I convert .s4p files to another format?
  • What are other, similar filename extensions to .s4p?

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

.s1p file extension details

EEsof Touchstone File

EEsof Touchstone File .s1p file icon
S1P file is an EEsof Touchstone File. A Touchstone file was originally a proprietary file format for the eponymous frequency-domain linear circuit simulator from EEsof.
Category: Data files
Application: Agilent EEsof EDA
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
S1P aliases:
s2p, s3p, s4p
S1P related links:
S1P related extensions:
EEsof Model MDIF File

Other types of files may also use the .s4p file extension.

.s4p file extension error

The .s4p file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

stp, sp, srp, sep, e4p, c4p

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Analysis Studio Project
Tekla STEP Data
Catia Document
HTML Help Stop Words
Microsoft Sharepoint Site Template
Simplexety Parameter File
Check Point Exported VPN Profile
TIFF Separator Page
SimEnhancer Profile
SignPlot Document
open .s4p file

Can't open a .s4p file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .s4p file association, check the FAQ.

.s4p file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .s4p file extension, write to us!

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