Mac Default Programs



Back in the pre-Mac OS X and macOS days, Apple’s System 9 and earlier relied on hidden metadata to associate files with apps. File extensions, those bits of text that follow a period at the end of a file (like .doc, .html, or .jpg) were optional, although often used for compatibility with other platforms and with web. On the web, file extensions are effectively mandatory so a browser knows how to handle a file appropriately.

Macworld reader Rick would like to monkey with that. He has a number of HTML templates, but to differentiate them from his production .html files, he puts the suffix .tt on them instead. Browsers don’t recognize these files by default. There’s a way to force an association between a file type and an application, but that application still has to recognize the extension.

If you have an extension that’s simply not mapping correctly, you can follow these steps:

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Mac

How to change the default application for a file type in Mac OS X? Right-click on a file, then click on Get info. In the “Get Info” options, you can easily select which application you would like to be the default for opening your file. Lightroom is another photo editor Mac users have been using for a long time. However, the default Mac photo editor, Photos, is a built-in piece of software that many take for granted even though it’s suitable both for beginners and for anyone who needs to quickly.

  1. Select the file in the Finder and choose File > Get Info.
  2. In the Open With section, if there’s an appropriate app in the list, you can select it and click Change All and confirm, and now all files with that extension open in that app. You can stop here. But if the app you want doesn’t appear in the list, select Other.
  3. Choose the app from the list that shows. In the Enable pop-up menu, you can choose All Applications, and it will let you pick any app. Check the Always Open With box to force an association.
  4. Click Add.

If you’re using, for example, .tt as your HTML template extensions like Rick, you could go through steps 1 to 4, and pick Safari as the app to open .tt files. The trouble is that Safari doesn’t know that a .tt file contains HTML.

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In the olden days, when everything to do with the web was more in a state of flux, you could modify and add content mappings, usually in the form used by MIME, a decades-old method of associating actions and formats with file extensions. (You’ll see MIME mentioned explicitly in email programs’ headers. Some kinds of documents also embed MIME information into their headers, so software can read a few characters of the file to figure out what it is.)

Windows

Unfortunately, there’s no way I can find to change file associations in Safari or Chrome. Firefox exposes more of this mapping information, but you can’t add new file types.

Might I suggest instead using macOS’s Tags feature? In the Finder, select Finder > Preferences and click the Tags icon. You can add an HTML Templates tag and assign that to all your templates. Then you can use a Smart Folder to gather them together, or use various Arrange By/Sort By options to group by tags.

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PDF has greatly expanded the boundaries of digital documents that swell today, it brings us a much more innovative way to present our ideas. Therefore, people, especially office people use PDF very often. It is a commonsense understanding that we all need a PDF viewer to open and view a PDF file. There are so many options on a PDF reader, then how to change the default PDF viewer to our preferred one on mac?

In effect, it is quite easy to change the default PDF viewer on mac, here we list 3 methods to make this, no matter you want to change default PDF viewer to Preview, Adobe or other PDF readers for Mac.

Method 1. Change Default PDF Viewer when Installing a New PDF Viewer

Race compatibility mod skyrim se xbox one. The reason why you want to change the default PDF viewer on mac is mainly for that you have other PDF viewers installed or will be installed on your mac. You can easily do this when installing a new PDF reader, since a newly installed PDF viewer will allow you to change the default viewer.

Here we take Movavi PDF Editor as the example, since it is the most popular Mac PDF reader and editor to work on your PDF files, it is much likely that you will install a PDF tools as powerful as Movavi PDF Editor. It can:

  • Edit PDF texts: add, delete, replace
  • Edit image: add, delete, rotate, resize
  • Add signature to PDFs
  • Add, delete or combine PDF pages
  • Convert blank page, Word, Excel, PowerPoint, ePub, HTML, TXT, DJVU, JPG, PNG and BMP to PDF
  • Convert PDF to Word, ePub, HTML, TXT, JPG, PNG and BMP
Default

Check out the steps to change default PDF viewer on Mac easily

  1. Grab a free copy of Movavi Video Editor, download the installer.
  2. Run the installer and go to the Installation Wizard as following to finish the installation.
  3. Choose Yes in the following box.
  4. Then your Movavi PDF Editor will be the defaulted PDF viewer and editor on your Mac.

Method 2. Change Default PDF Viewer via Get Info Menu

To change default PDF viewer on mac with Get Info menu is the most universal way that Apple macOS support itself and other authorities are recommending. So, we will begin with this method to change your default PDF viewer to Preview, Adobe Acrobat or other PDF readers.

  1. Right click on a PDF file, then choose Get Info.
  2. Then go to Open with. Now, the defaulted PDF viewer on my mac is Preview, you can click the drop-down menu to shift to another installed PDF viewer on your mac, like Adobe Acrobat Reader or others.
  3. Then click on the Change All>Continue to change the default viewer to your selected one. Open a PDF, you will find the default PDF viewer for your mac has been changed.

Method 3. Change Default PDF Viewer on Mac via “Always Open With”

Setting Default Programs Mac

Another method to change default PDF viewer on mac is enabling the “Always Open With” menu and choose your preferred viewer on mac.

Change Default App Mac

  1. Right click on a PDF file, choose Open With>Other…
  2. Then go to Enable, choose Recommended Applications and select the PDF viewer you want to set as default from the app list. After that, check the box before Always Open With. If you cannot find the PDF viewer your want to change as the defaulted one from the Recommended app list, go to Enable>All Applications, then choose your wanted PDF viewer, and check the box before Always Open With.
  3. Last, click on Open to change your default PDF viewer on mac.