QTI file icon

QTI File Extension

QuickTime Image Format

What is QTI file?

QTI filename suffix is mostly used for QuickTime Image Format files. Apple defined the QuickTime Image Format format standard. Files with QTI extension may be used by programs distributed for Mac OS, Windows platform. QTI file belongs to the Raster Image Files category just like 522 other filename extensions listed in our database. QuickTime Player supports QTI files and is the most frequently used program to handle such files, yet 3 other tools may also be used. On the official website of Apple, Inc. developer not only will you find detailed information about theQuickTime Player software, but also about QTI and other supported file formats.

Programs which support QTI file extension

Below you will find an index of software programs that can be used to open QTI files divided into 2 categories according to system platform supported. QTI files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support QTI file

How to open file with QTI extension?

Being unable to open files with QTI extension can be have various origins. On the bright side, the most encountered issues pertaining to QuickTime Image Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install QuickTime Player

Install software to open QTI file The main and most frequent cause precluding users form opening QTI files is that no program that can handle QTI files is installed on user’s system. This one is an easy one. Select QuickTime Player or one of the recommended programs (for example, ACDSee, XnView) and download it from appropriate source and install on your system. 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 QuickTime Player website and download the installer.

Step 2. Verify the you have the latest version of QuickTime Player

Update software that support file extension QTIYou still cannot access QTI files although QuickTime Player is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of QuickTime Player installed, it may not support QTI format. The most recent version of QuickTime Player is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign QuickTime Player to QTI files

If the issue has not been solved in the previous step, you should associate QTI files with latest version of QuickTime Player you have installed on your device. The method is quite simple and varies little across operating systems.

Associate software with QTI file on Windows

The procedure to change the default program in Windows

  • Clicking the QTI with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • Finally select Look for another app on this PC, point to the folder where QuickTime Player is installed, check the Always use this app to open QTI files box and conform your selection by clicking OK button
Associate software with QTI file on Mac

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with QTI extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with QTI extension. Next, click the Continue button to finalize the process.

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

Should the problem still occur after following steps 1-3, check if the QTI file is valid. Problems with opening the file may arise due to various reasons.

Check QTI file for viruses
1. The QTI may be infected with malware – make sure to scan it with an antivirus tool.

If the QTI is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the QTI file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If the QTI 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. It could happen the the download process of file with QTI extension was interrupted and the file data is defective. Download the file again from the same source.

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. Switch to an account that has required privileges and try opening the QuickTime Image Format file again.

4. Check whether your system can handle QuickTime Player

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with QuickTime Image Format file. It may be the case that the QTI files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the QTI 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 QTI file.

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