CSX File: What is it?

Writer:   |   Edited: December 05, 2018

Microsoft Silver

CSX File Summary

Five known software programs (notably, Notepad++ developed by Don Ho) are related to the CSX file extension. In addition, they are categorized under a single primary file type, described as the Visual C# Script format. CSX files are categorized ordinarily as Developer Files.

We have found CSX files on the Windows, Mac, and Linux operating systems. They are both mobile and desktop device friendly. The main CSX file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

Although there is a lot more to know about CSX files, those are the most important details of these types of files. If you are having trouble opening these files, or would like more detailed information, please see our comprehensive information below.

Low
Prevalence
4449
Position

/ 11690

Active

Importance

5

December

2018

Updated

FileViewPro Opens CSX Files

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CSX Types


Principal CSX Type

.CSX
Extension:.csx
Classification:Visual C# Script

Script file written in C#, an integrated development environment that allows users to create programs in C# programming language. CSX files can be opened by any text editor.

Programmer: Microsoft Corporation
Kind:Developer Files
Key: HKEY_CLASSES_ROOT\.csx

Software Programs That Open The Visual C# Script:


Notepad++ by Don Ho

Windows
Mac
Linux

Microsoft Visual Studio by Microsoft Corporation

Windows

Sublime Text by Sublime HQ Pty Ltd

Windows
Mac
Linux

Atom by GitHub, Inc.

Windows
Mac
Linux

PSPad by Open Source

Windows

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CSX Demand


Device Breakdown

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Troubleshoot CSX Files


Frequent CSX Opening Issues

Notepad++ Not Present

If you attempt to load your CSX file, you experience a message such as "Can't Open CSX Files". When this happens, it is commonly due to Notepad++ missing in %%os%%. Your operating system cannot associate your CSX with Notepad++, so double-clicking the file won't work.


Tip: If you don't have Notepad++ installed, and you know of another program to open your CSX file, you can try opening it by selecting from the programs listed under "Show Apps".


Incorrect Notepad++ Version

In some cases, you might have a newer (or older) version of a Visual C# Script file that is unsupported by your installed application version. If you do not have the proper version Notepad++ (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is predominately due to having a Visual C# Script file version that was created by a newer version of Notepad++ than what you have installed on your PC.


Tip: You can sometimes get hints about the right program version by right-clicking on the CSX file, selecting "Properties", and looking at the version information.


Summary: In either case, the majority of problems opening CSX files are related to not having the correct software application installed on your computer.


More Causes of Problems Opening CSXs

In the majority of cases, installing the right version of Notepad++ will resolve your issue. There can be other issues - unrelated to software - preventing you from opening CSX files. These other problems include (listed in order from most to least common):

  • Windows Registry CSX file paths that are incorrect
  • Unintentional removal of the description of the CSX file inside the Windows Registry
  • Incomplete or bad installation of a software application associated with the CSX format
  • File corruption affecting your CSX file
  • Malware-tainted CSX file can't be opened
  • Device drivers for CSX-related hardware are out-of-date
  • Insufficient system resources to successfully open Visual C# Script files

Quiz: Which file extension is the oldest in existence?









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