IIQ File Extension

IIQ file icon
Phase One RAW Image
  • Developer
    Phase One
  • Category
  • Popularity
    3 (3 votes)

What is IIQ file?

IIQ is a file extension commonly associated with Phase One RAW Image files. Phase One defined the Phase One RAW Image format standard. IIQ file format is compatible with software that can be installed on Linux, Mac OS, Windows system platform. Files with IIQ extension are categorized as Data Files files. The Data Files subset comprises 1326 various file formats. PaintShop Pro supports IIQ files and is the most frequently used program to handle such files, yet 5 other tools may also be used.

Programs which support IIQ file extension

The following list contains programs grouped by 3 operating systems that support IIQ files. IIQ files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support IIQ file

How to open file with IIQ extension?

Problems with accessing IIQ may be due to various reasons. Fortunately, most common problems with IIQ files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install PaintShop Pro

The main and most frequent cause precluding users form opening IIQ files is that no program that can handle IIQ files is installed on user’s system. The most obvious solution is to download and install PaintShop Pro or one to the listed programs: Capture One, Adobe DNG Converter, Adobe Photoshop Camera Raw. The full list of programs grouped by operating systems can be found above. If you want to download PaintShop Pro installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Verify the you have the latest version of PaintShop Pro

If you already have PaintShop Pro installed on your systems and IIQ 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. This can be one of the causes why IIQ files are not compatible with PaintShop Pro. The most recent version of PaintShop Pro is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open IIQ files to PaintShop Pro

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

The procedure to change the default program in Windows

  • Right-click the IIQ file and choose Open with option
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the PaintShop Pro installation folder. Confirm by checking Always use this app to open IIQ files box and clicking OK button.

The procedure to change the default program in Mac OS

  • Right-click the IIQ file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select PaintShop Pro and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with IIQ extension. Next, click the Continue button to finalize the process.

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

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the IIQ file in question. Being unable to access the file can be related to various issues.

1. Check the IIQ file for viruses or malware

If the file is infected, the malware that resides in the IIQ file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the IIQ file is indeed infected follow the instructions below.

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

If you obtained the problematic IIQ file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with IIQ extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system 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 PaintShop Pro

If the systems has insufficient resources to open IIQ files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Phase One RAW Image files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with IIQ files affecting older versions of given software.

Do you want to help?

If you have additional information about the IIQ 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 IIQ file.

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