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S1P file extension

The table below provides useful information about the .s1p file extension. It answers questions such as:

  • What is the .s1p file?
  • What program do I need to open a .s1p file?
  • How can the .s1p file be opened, edited or printed?
  • How can I convert .s1p files to another format?

Table of Contents

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

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

✅ EEsof Touchstone File

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.
S1P format description not yet available
Category: Data files
Application: Agilent EEsof EDA
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
S1P aliases:
s2p, s3p, s4p, s5p, s6p
S1P related links:
S1P related extensions:
EEsof Model MDIF File

Other types of files may also use the .s1p file extension.

🚫 The .s1p file extension is often given incorrectly!

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

1sp, c1p, q1p, s1, slp, sp, sp1, sqp, swp

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

SpectraLayers Pro Project
Microsoft OneNote 2010 Mobile Document
General Swap File
STK Sensor Pointing File
Capture One Preview Data
SolidWorks Macro
Simplexety Parameter File
Yamaha QY100 Style Data
Vim Swap Data
LTspice Netlist Data

🔴 Can't open a .s1p 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 .s1p file association, check the FAQ.

🔴 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 .s1p file extension, write to us!

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