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ARCHIVED: In Mac OS X, how do I assign an application to open certain file types?

Mac OS X allows you to choose which application is assigned to open certain file types with common filename extensions (e.g., .pdf, .jpg, .tiff, .mp3, .mov). This is useful, for example, if you want a file with the extension .pdf to open with Adobe Reader instead of the Preview application. Files created in the Classic environment, which often do not have a filename extension, can also be assigned to open with an appropriate Mac OS X application using the following instructions.

Note: The instructions below, which change the file's icon in the Mac OS X Finder to reflect the program that will open it, will have no effect on the type or creator codes which may be contained in the file itself.

  1. Select the file in the Finder by clicking it once.

  2. From the File menu, select Get Info.

  3. In the Info window, click the triangle next to "Open with:" to expand that section of the window.

  4. From the pull-down menu that appears, select the application you wish to use to open the file.

    Note: Not every application listed will open the file as expected. Make sure the application is appropriate for the type of file with which you are working.

To change the application to open all similar file types, click Change All... . You will see a confirmation dialog box asking if this is really what you want to do. Click Continue.

This is document akvs in domain all.
Last modified on December 05, 2012.

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