A daily updated filename extension database!

SPW file extension

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

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

✅ SigmaPlot Worksheet

SPW file is a SigmaPlot Worksheet. SigmaPlot is a proprietary software package for scientific graphing and data analysis.
SPW format description not yet available
Category: Document files
Application: SigmaPlot
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SPW aliases:
SPW related links:
SPW related extensions:
SigmaPlot Workbook

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

🚫 The .spw file extension is often given incorrectly!

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

cpw, epw, psw, pw, qpw, slw, sow, sp, spa, spd, spe, spq, sps, sw, swp

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Settler LITE Data File
GP-Pro EX Library
C64 SpritePad Image
MikuMikuDance Sphere Mapping File
ZippedWeb Archive
Descent Archive
General Swap File
EnergyPlus Weather Data
SPSS Extension
Windows Server Security Policy Database

🔴 Can't open a .spw 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 .spw 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 .spw file extension, write to us!

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