Tips to open QTI file

Can't open the QTI file? You are not the only one. Thousands of users face similar problems every day. Below you will find tips on how to open QTI files as well as a list of programs that support QTI files.

QTI file extension

File Name QuickTime Image Format
File Developer Apple
File Category Raster Image Files

The QTI file is supported on 2 operating systems. Depending on your operating system, you may need different software to handle the QTI files. Below is a summary of the number of programs that support and open the QTI file on each system platform.

Operating systems
  • 3
  • 1
  • 0
  • 0
  • 0
  • 0

What is QTI file?

The file in the QTI format belongs to the Raster Image Files category. The author of this format is Apple. Additionally, the Raster Image Files category contains 522 of other files. QuickTime Image Format is supported by 2 operating systems. The file will work on Mac OS, Windows systems, unfortunately not on others. The main program that supports this format is QuickTime Player. This was created by Apple, Inc.. There are also 3 alternative programs to handle the QTI file. You can use ACDSee, XnView in case QuickTime Player cannot be used.

How to open QTI file?

The main problem with QuickTime Image Format is that the QTI file is incorrectly associated with programs. This is manifested by the fact that QTI files open in unusual applications or do not have an assigned program. This can be quickly resolved by following the instructions below.

The first thing you should do is just "doubleclick" on the QTI file icon you want to open. If the operating system has an appropriate application to support it and there is also an association between the file and the program, the file should be opened.

Step 1. Install QuickTime Player

An often overlooked issue is to make sure that QuickTime Player is installed on the computer. The easiest method is to use the system search engine by entering the program name QuickTime Player in it. In the absence of an appropriate program, its installation in the vast majority of cases will fix the problem. Below is a list of programs that support the file QTI.

Programs to open QTI file

Remember to download programs supporting QTI files only from verified and safe sources. We suggest using the websites of software developers.

Step 2. Create association of QuickTime Player with QTI files

If, despite the installed application, the QTI file does not start in the QuickTime Player application, you must create a file association. The association can be created using the drop-down list available by right-clicking on the file and selecting Properties. Information about the file and the program that the file is associated with are available here. Using the "Change" button we can set the program to handle this type. The program should be visible in the window, otherwise it should be selected manually using the "Browse" button and the program installation directory should be indicated. Checking the "Always use the selected program ..." box will permanently associate the QTI file with the QuickTime Player program.

Step 3. Update QuickTime Player to the latest version

The fault may also lie with the QuickTime Player program, it is possible that QuickTime Image Format requires a newer version of the program. Some applications allow you to update from the program level, and for others you need to download the installer from the Apple, Inc. page and install.

Step 4. Check for the following problems with the QTI file

Of course, it may happen that despite the above steps, the file still does not work. This could be due to the file itself, the cleanest issues are:

The affected file may be 0 KB or smaller than expected. This is most often caused by a problem while downloading the QTI file. Downloading the file again should fix the problem.
The operating system may be infected with a computer virus. A virus scan using an up-to-date antivirus program should fix the problem. Some antivirus vendors also provide free online scanners. The scan should cover the entire computer, not only the QTI file that we want to open. Sometimes virus-infected QTI files cannot be recovered, so make a backup in advance.
This can happen especially when the program is dynamically developed and the structure of the QTI files changes over time. Help should be sought from the software developer, as they usually recommend using free file converters or installing an older version of the program.
There can be many reasons for this. Depending on the type of file, it is necessary to repair it accordingly. Some programs offer the ability to automatically repair QTI file corruption. The easiest way to restore the file is from a backup or by contacting Apple, but this one can be expensive. Not all damage can be reversed.
The program indicates that the file is encrypted or corrupted. The encrypted QTI files cannot be played on other computers than the one on which they were encrypted, they must be decrypted before using on another device.
The operating system protects files in some locations (e.g. the root of the system partition) against unauthorized access. These directories are write-protected to them and it's very hard to fix this problem. If possible, you can try to move the QTI file to another location.
This problem only occurs with more complex files. Some file types can only be opened in one program at a time. Running programs (including those in the background) should be verified. Sometimes it is necessary to wait a while before referencing the QTI file again. Some anti-virus or backup software may occupy the QTI file for a certain period of time. If this does not work either, restart the device.