Fortunately, it's easy to change your file associations in Mac OS X, if you follow these steps. Select a file with the format you want to change (ex: an MP3, a JPG picture, an HTML file) in the. Jun 20, 2018 A file extension, or filename extension, is a suffix at the end of a computer file. It comes after the period, and is usually two-four characters long. If you’ve ever opened a document or viewed a picture, you’ve probably noticed these letters at the end of your file. Aug 08, 2013 From the OS X Finder, right-click (or Control+Click) on the file to change the default app for and hold down the OPTION key so that the “Open With” menu becomes “Always Open With” Continue to hold OPTION and select the application you want to set as the default for this file.
Nov 08, 2016 How to Batch Change File Extensions in Mac OS. In the example above we changed a group of image files from having a “.jpeg” file extension to having a “.PNG” file extension, but you can use this with any file extension, whether it’s changing a group of files.
Sometimes, if your Mac doesn’t recognize a file type as something that one of its programs can handle, or if you want a specific file type to always open in a specific program, Mac OS X Lion might need a little help from you. Mac OS X Lion lets you specify the application in which you want to open a document in the future when you double-click it. Suppose that you want all .tif graphic files that usually open in Preview to open instead in Pixelmator, a more capable third-party program
More than that, you can specify that you want all documents of that type to open with the specified application. Mac os x 10.7 download free. “Where is this magic bullet hidden?” you ask. Right there in the file’s Info window.
Clear Default Program To Open File
Here’s how you do it:
Set File Extension Default Program
- Click one of the files in the Finder.
- Choose File→Get Info (Command+I).
- In the Info window, click the gray triangle to disclose the Open With pane.
- From the pop-up menu, choose an application that Mac OS X believes will open this document type.
- (Optional) If you click the Change All button at the bottom of the Open With pane, you make Pixelmator the new default application for all .tif files that would otherwise be opened in Preview.Notice the handy alert that appears when you click the Change All button and how nicely it explains what will happen if you click Continue.