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XS3 file extension

The table below provides useful information about the .xs3 file extension. It answers questions such as:

  • What is the .xs3 file?
  • What program do I need to open a .xs3 file?
  • How can the .xs3 file be opened, edited or printed?
  • How can I convert .xs3 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

✅ XESS Worksheet

XS3 file is a XESS Worksheet. Xess is a UNIX / X-windows based spreadsheet supplied by Applied Information Systems, Inc. (AIS) oriented towards scientific and engineering applications, but also suitable for general-purpose spreadsheets. It provides numerous input/output options, and supports standard spreadsheets formats from other programs such as Excel and Lotus.
XS3 format description not yet available
Category: Document files
Application: XESS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
XS3 aliases:
xs4, xs5
XS3 related links:
XS3 related extensions:
Microsoft Excel Worksheet

Microsoft Excel 2007 Document

Microsoft Excel 2007 Document

Lotus 1-2-3 Worksheet

Lotus 1-2-3 for Japan Document

Lotus 1-2-3 Data File

Other types of files may also use the .xs3 file extension.

🚫 The .xs3 file extension is often given incorrectly!

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

as3, cs3, ds3, s3, ss3, x3s, xc3, xs, xse, xsr, xsw, zs3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ActionScript 3.0 Source Code
DeSmuME Saved State
Hummingbird Exceed Startup File
Casio WK-1800 Song Sequencer Data
Freescale S-record File
EQuIS Data Processor Format Definition Data
SKM Power Tools PPE Table Information
ZSNES Save State
Bentley GEOPAK XS List Report
X3S Data

🔴 Can't open a .xs3 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 .xs3 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 .xs3 file extension, write to us!

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