File Extension Library


.SW4 File Extension

  • Developer by: National Instruments Corporation
  • Category: Various data Files

What are .SW4 files and how to open them?

Can't open .SW4 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 .SW4 file.

What is a .SW4 file extension?

.SW4 file extension is created by National Instruments Corporation. .SW4 has been classified as Various data Files.

.SW4 is SPICE Sweep Operations output file

The sw4 file extension is associated with SPICE (Simulation Program with Integrated Circuit Emphasis), it was developed by Nationa Instruments Corporation. The sw0 files are used for Sweep Operations Output. 


How to open:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.For general information try to look at:Identifying unknown file formats

How to convert:

Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

How to fix problems with .SW4 files

  1. You need to update the application that you normally use to open .SW4 files. Only the latest version of the software supports the current .SW4 file format
  2. You need to check the .SW4 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)