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How to Set default applications for file types in Mac OS X

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Oftentimes a friend will send you a PDF, MP3 or some other type of document such as a spreadsheet. When you open the file, an application opens. But sometimes it's not the application you wanted to associate with that file. In this video tutorial, you'll learn how to define which programs open what sorts of files. For more, and to learn how to set filetype application defaults in Mac OS X, watch this video tutorial.

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Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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