ITMSP File Extension

ITMSP file icon

ITunes Store Package

What is a ITMSP file?

Files with the ITMSP extension are specifically tied to ITunes Store Package, a Compressed Files type, and there are 820 files in this category.

Apple, the developer of the ITunes Store Package (ITMSP), has released file format and 72 programs designed to handle them.

ITMSP files are supported by Windows and Mac OS. There are 3 programs available to create a ITMSP file, including popular tools like Apple iTunes, iTunes and iBooks Author.

Programs that support ITMSP files

How to open a ITMSP file?

If you are having trouble opening a ITMSP file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Apple iTunes, iTunes and iBooks Author stand out as the preferred programs to manage ITMSP files effectively. To get the latest version of Apple iTunes, open the Apple website where a universal installer for all operating systems is available.

Once installed, Apple iTunes will be set as the default program, and ITMSP files will open automatically.

Set Apple iTunes as the default ITMSP application

Change the default app that opens a file on Mac

  1. Right-click or use Control + Left-click on the desired ITMSP file to open a menu where you can choose from multiple actions;
  2. Choose "Open in Application" and click "Other";
  3. At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
  4. Within this menu, select "All Programs" and then locate Apple iTunes. Check the box next to "Always open in app" to set it as the default program.

Set default programs for Windows

  1. To get started, right-click your ITMSP file, then choose "Open With" and select "Choose Another Application" from the context menu;
  2. From the options listed in the pop-up window, specifically choose Apple iTunes as the application to handle your ITMSP file;
  3. Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.

Troubleshooting guide for ITMSP file complications

Certain problems with ITMSP files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.

How can I determine if my ITMSP file is damaged?

ITMSP compressed files that have become corrupted may display one or more of the following symptoms:

  • The file causes Apple iTunes or other software to hang or crash during various operations;
  • Error notifications appear during file manipulation;
  • The file encounters problems during the opening process or shows error indications;
  • An unexplained increase in the size of the ITMSP file;
  • The file exhibits poor performance during editing operations in Apple iTunes;

Why does Apple iTunes quit or crash unexpectedly?

Insufficient software updates are a likely cause of Apple iTunes crashes. Be sure to install the latest updates for Apple products.

Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.

What methods can be used to repair a damaged ITMSP file?

Start a data recovery program and open the damaged ITMSP file. Then, choose the "Repair" option from the menu. Wait for the recovery process to finish as it will automatically restore the damaged compressed files.

How to edit a ITMSP file?

To make changes to ITMSP files, you need specialized software that allows both opening and editing the compressed files. Online ITMSP editors offer fewer capabilities than applications optimized for ITunes Store Package.

Best ITMSP editors 2026

Considering the mentioned criteria, we have compiled a list of ITMSP editors that may suit your needs.

ITMSP Editor SoftwareDeveloperPlatformsOverall Rating
Apple iTunesAppleWindows4.5 out of 5 (40 reviews)
iTunesAppleMac OS4.5 out of 5 (39 reviews)
iBooks AuthorAppleMac OS4.3 out of 5 (37 reviews)