ICA File Extension

What is ICA file?

ICA file contains c onfiguration information for connecting to Citrix servers or cloud services. ICA file can be system-specific (Windows, Linux, etc.) or dedicated to single application, for example, Skype. Independent Computing Architecture (ICA) files are used by Citrix Connection Manager tool or Citrix Receiver plugin for providing Citrix Virtual Apps and Desktops services to users. ICA files may be digitally signed to ensure it comes from a proper source. ICA files are created using ICA File Editor tool or application’s configuration manager, but since it is a text file, it can be viewed and edited using any text editor. ICA file organizes settings into sections, which names are enclosed in brackets, for example:

• ApplicationServers – defines the name of application or connection
• Section named according to the previous definition – contains connection properties in PropertyName=value format, such as:
  • transport protocols,
  • network address,
  • username, domain and password,
  • session initiation properties;
• WFClinet – describes WinFrame client

Solutions offered by Citrix allow companies to share, distribute, and centrally manage programs and company data via secured connections. Data is send using proprietary ICA protocol, an platform-independent alternative to Remote Desktop Protocol developed by Microsoftu. Such solution enables remote access to the organization’s work environment from anywhere in the world using the internet newtork.

Programs which support ICA file extension

The list that follows enumerates programs compatible with ICA files, divided into 6 categories based on operating system on which they are available. ICA files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 08/15/2023

How to open file with ICA extension?

Problems with accessing ICA may be due to various reasons. On the bright side, the most encountered issues pertaining to Citrix ICA Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install XenClient

The main and most frequent cause precluding users form opening ICA files is that no program that can handle ICA files is installed on user’s system. This issue can be addressed by downloading and installing XenClient or different compatible program, such as Citrix Receiver, XenApp. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit XenClient website and download the installer.

Step 2. Update XenClient to the latest version

If you already have XenClient installed on your systems and ICA files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of XenClient installed, it may not support ICA format. The most recent version of XenClient is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Citrix ICA Format files with XenClient

If you have the latest version of XenClient installed and the problem persists, select it as the default program to be used to manage ICA on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the ICA file
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where XenClient is installed. Now all that is left is to confirm your choice by selecting Always use this app to open ICA files and clicking OK.

Change the default application in Mac OS

• By clicking right mouse button on the selected ICA file open the file menu and choose Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select XenClient and click Change for all...
• Finally, a This change will be applied to all files with ICA extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Ensure that the ICA file is complete and free of errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper ICA file. It is probable that the file is corrupted and thus cannot be accessed.

1. The ICA may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the ICA is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. ICA file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the ICA file’s structure is intact

Did you receive the ICA file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the ICA file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open XenClient

If the system is under havy load, it may not be able to handle the program that you use to open files with ICA extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with Citrix ICA Format files and ensure security of your device and operating system. It may be the case that the ICA files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the ICA file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on ICA file.