IOPLIST File Extension

IOPLIST file icon
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What is IOPLIST file?

IOPLIST filename suffix is mostly used for Mac OS X IOPLIST Format files. Mac OS X IOPLIST Format format was developed by Apple. Files with IOPLIST extension may be used by programs distributed for Mac OS platform. IOPLIST file belongs to the System Files category just like 298 other filename extensions listed in our database. The most popular software that supports IOPLIST files is Mac OS X. On the official website of Apple, Inc. developer not only will you find detailed information about theMac OS X software, but also about IOPLIST and other supported file formats.

Programs which support IOPLIST file extension

Below is a table that list programs that support IOPLIST files. IOPLIST files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support IOPLIST file


How to open file with IOPLIST extension?

There can be multiple causes why you have problems with opening IOPLIST files on given system. What is important, all common issues related to files with IOPLIST extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Mac OS X software

Problems with opening and working with IOPLIST files are most probably having to do with no proper software compatible with IOPLIST files being present on your machine. To address this issue, go to the Mac OS X developer website, download the tool, and install it. It is that easy On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading Mac OS X installed is by going to developer’s website (Apple, Inc.) and downloading the software using provided links.

Step 2. Verify the you have the latest version of Mac OS X

If you already have Mac OS X installed on your systems and IOPLIST files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why IOPLIST files are not compatible with Mac OS X. The most recent version of Mac OS X is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Mac OS X IOPLIST Format files with Mac OS X

If you have the latest version of Mac OS X installed and the problem persists, select it as the default program to be used to manage IOPLIST on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

  • Right-click the IOPLIST file and choose Open with option
  • Click Choose another app and then select More apps option
  • Finally select Look for another app on this PC, point to the folder where Mac OS X is installed, check the Always use this app to open IOPLIST files box and conform your selection by clicking OK button

Change the default application in Mac OS

  • Right-click the IOPLIST file and select Information
  • Find the Open with option – click the title if its hidden
  • Select Mac OS X and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with IOPLIST extension. Next, click the Continue button to finalize the process.

Step 4. Check the IOPLIST for 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 IOPLIST file. It is probable that the file is corrupted and thus cannot be accessed.

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

If the file is infected, the malware that resides in the IOPLIST file hinders attempts to open it. Scan the IOPLIST file as well as your computer for malware or viruses. If the IOPLIST file is indeed infected follow the instructions below.

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

If the IOPLIST file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the IOPLIST 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. Switch to an account that has required privileges and try opening the Mac OS X IOPLIST Format file again.

4. Verify that your device fulfills the requirements to be able to open Mac OS X

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

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Mac OS X IOPLIST Format files. It may be the case that the IOPLIST files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the IOPLIST 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 IOPLIST file.

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