Files do not open in original authoring application | Mac OS X 10.6


Opening files from the Finder, including files authored by Adobe applications, does not open them in the original authoring application. 


Note: Mac OS X 10.6 eliminates the use of creator codes in its Launch Services methods for determining the preferred application with which to open a file. Files are opened based on explicit application associations for a specific file, all files of that type, or based on the file extension. Omitting a file extension from the filename increases the likelihood of a file not opening properly.

If a file does not open, use one of more of the following solutions:

Solution 1:

Use filename extensions.

Solution 2:

Associate all files of a given type with your preferred application:

  1. In the Mac OS Finder, select one file of the type to be associated.
  2. Choose File > Get Info.
  3. From the Open With menu, select your preferred application.
  4. Click the Change All button.
  5. Click Continue to confirm.

Solution 3:

Use custom filename extensions to differentiate files of the same type from different creators. For example, use the extension .jpg to associate files with your preferred web browser, and use the extension .jpeg to associate all JPEG files with Adobe Photoshop. 

Additional Information

For more information, see the Preferred Applications section of the Apple Developer Connection's Launch Services Programming Guide.



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