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IS3 file extension

The table below provides useful information about the .is3 file extension. It answers questions such as:

  • What is the .is3 file?
  • What program do I need to open a .is3 file?
  • How can the .is3 file be opened, edited or printed?
  • How can I convert .is3 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

✅ SmartWare Input-Screen File

IS3 file is a SmartWare Input-Screen File. SmartWare is a programming platform. SmartWare also includes a word processor, spreadsheet, and communication modules.
Category: Data files
Application: SmartWare
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
IS3 aliases:
is1, is2, is4
IS3 related links:
IS3 related extensions:
SmartWare Project Backup

SmartWare Worksheet Backup

SmartWare Macro Backup

SmartWare Worksheet Document

SmartWare Report Definition File

SmartWare Business Graph Definition File

SmartWare Text Graph Definition File

SmartWare Scientific Graph Definition File

SmartWare Elevation Graph Definition File

SmartWare High-Low Graph Definition File

Other types of files may also use the .is3 file extension.

🚫 The .is3 file extension is often given incorrectly!

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

i3, i3s, ic3, is, ise, isr, isw, ks3, ls3, s3, si3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Modula-3 Interface Source Code
Atari ST Imagic Image
Intuit Statement Writer Data
Point Blank Game Data
Freescale S-record File
3D Forgastest Editor Object
Modula-3 Intermediate Assembly File
Band-in-a-Box Third-Party Styles
InstallShield Express File
Lumion Project

🔴 Can't open a .is3 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 .is3 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 .is3 file extension, write to us!

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