A daily updated filename extension database!

I5S file extension

The table below provides useful information about the .i5s file extension. It answers questions such as:

  • What is the .i5s file?
  • What program do I need to open a .i5s file?
  • How can the .i5s file be opened, edited or printed?
  • How can I convert .i5s 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

✅ IUCLID5 Compressed Backup

I5S file is an IUCLID5 Compressed Backup. IUCLID5 is a web-based database managed by the EU Commission and will be used as a central repository for all substance registrations and testing data
I5S format description not yet available
Category: Data files
Application: IUCLID5
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
I5S aliases:
I5S related links:
I5S related extensions:
IUCLID5 Export File


Other types of files may also use the .i5s file extension.

🚫 The .i5s file extension is often given incorrectly!

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

i5z, irs, is, its

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Impulse Tracker Music Sample
U-Boot uImage Image Tree Source
IUCLID5 Export File
Adobe Photoshop Optimized Settings
LabControl Spectacle Binary Data
Modula-3 Intermediate Assembly File

🔴 Can't open a .i5s 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 .i5s 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 .i5s file extension, write to us!

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