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If you always want to open certain files or file types with a certain program on the Apple Mac, iMac or MacBook under OS X and macOS, then you can set this quite easily. This works via the options in the Finder, but also via an app that also provides other functions. I have summarized both procedures and a video tutorial for you on the Mac for changing the default program for opening files in this guide.
As on the Windows PC, on the Apple Mac with macOS or OS X it can be worthwhile to assign individual files or file types to a specific program. Who takes photos directly in Photoshop, Lightroom or Affinity Photo open, you can do this with the following instructions. However, a more popular reason for changing the default program for opening certain file types is videos - many users of the VideoLAN VLC Player prefers; from DVD to video from digital cameras.
First you open a folder in which there is a file of the type that you want to assign to an app. To make this the standard program, click on the file and then call up the file information. This can either be done using the key combination ⌘ + i or CMD + i or via the menu filing and then in it Information.
If you have chosen one of the two ways, this will lead you to a new window in which the file information of the selected file is displayed. One category in the overview is Open with. If there is no roll menu below, you have to expand the area first. Then you can choose a new standard program for the file. To apply this program for the file type and thus for all other files with the same file extension, click on the button Change all ... .
A message then appears in which you can click on the button Continue you have to confirm that you want to assign a new standard program to the files. And that's basically it.
Here is a video that shows you how to change the default program for certain files and file types:
If you only want to briefly assign certain files or file types to individual programs, then the instructions should be sufficient. But do you want to edit several file extensions or select a program and assign file types to it (i.e. the opposite way) or perhaps set which programs are allowed to access the webcam etc. or which camera should be the standard medium for which program? Then you can RCDefaultApp from rubicode help.
Rubicode's RCDefaultApp is freeware and can be downloaded from the Page of the provider downloaded. The program can be used from OS X 10.2, so it tends to be for the current macOS 10.12 Sierra as well. You can also install the app in different languages after downloading it, in addition to English, German, Spanish, Japanese and so on. Apparently the development was stopped in 2009, which is why it is important to try to use the app under Sierra or El Capitan. Here is a screenshot of the app (source: provider website):
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After graduating from high school, Johannes completed an apprenticeship as a business assistant specializing in foreign languages. But then he decided to research and write, which resulted in his independence. For several years he has been working for Sir Apfelot, among others. His articles include product introductions, news, manuals, video games, consoles, and more. He follows Apple keynotes live via stream.