I cannot open a ODEX file. What should I do? Help!

Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with ODEX files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening ODEX will be resolved!

ODEX File Extension

  • File type Google Android Optimized Executalbe
  • File developer Google Inc.
  • File category Executable Files
  • File popularity rating
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What is a(n) ODEX file?

The ODEX extension is used by files whose purpose is to speed up the process of launching applications in the Android operating system. The files are assigned to APK files and contain code optimized for a specific device, which significantly speeds up the application loading process.


How to open ODEX file?

If given user account does not have necessary permissions to open files with ODEX extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.

Step 1. Download and install application that supports ODEX files

After the application has been installed, the system should automatically open ODEX files with given application. Below is the list of relevant programs along with operating systems they are available for:

Programs that support ODEX files

Step 2. Verify whether ODEX files are associated with appropriate software

It is possible that an application that supports ODEX files is not associated with such files. In such case, the program should by manually associated with ODEX files (right-click on the file icon → PropertiesGeneral Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support ODEX files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open ODEX files with the selected program.

Changing ODEX file association in registry

File association for ODEX files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.

Step 3. Check ODEX file for other errors

  • ODEX file was not copied properly from storage medium.
  • Antivirus application prevents opening ODEX files. In that case it is recommended to exercise extreme caution and recover or delete infected ODEX file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
  • For ODEX files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.

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