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QSYS file extension

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

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

✅ Intel Qsys System Data

QSYS file is an Intel Qsys System Data. Intel Qsys (Platform Designer) is a system integration tool included as part of the Quartus.
QSYS format description not yet available
Application: Intel Qsys
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
QSYS aliases:
QSYS related links:
QSYS related extensions:

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

🚫 The .qsys file extension is often given incorrectly!

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

qss, sys

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

General Swap File
QT Style Sheet
Windows System Configuration
System File
MS-DOS System File
Microsoft SQL Server Data Replication System Table Data

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

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