Whenever you double click on any file on your Mac within the Finder, the operating system will by default find the most suitable app to open it and reveal its contents. Most of the time everything will work without issues, but there are other times when your Mac will either not use the ideal app to open a file or will simply not be able to find a suitable app at all.
Open System Preferences: Start by opening up your Mac's System Preferences control panel. Open the Users & Groups pane of System Preferences and click the Login Items tab, and you’ll see a list of apps (and even files and folders) that open every time you log in. (This list is different. Mac OS X: Change Which Apps Start Automatically at Login Lowell Heddings @lowellheddings Updated July 11, 2017, 10:58pm EDT OS X makes dealing with startup items really easy — you just head into the preferences and add or remove things from the list.
If you have experienced this issue before and would like to know how to solve it, read along. What causes this issue most of the time is that you might have two or more apps that support the type of file that you want to open.
For Example: Some very frequent culprits of this are archiving apps like Winrar or UnRarX, both of which support very similar file types. Another common occurrence is mix-ups between video players like VLC and Quicktime, with the latter opening files only supported by the former.
What you need to do in order to solve this issue is to change the default app for opening certain types of files, or at least choose a different app from the available ones to open a particular file. Follow these steps to learn how to do just that.
Open File with Different Program
Step 1: First, start by locating the file you want to open within the Finder.
Step 2: If you want to open the file with a different app than the one set by default only once, then all you have to do is right-click on the file, click on the Open With option and then select the app you want to use from the list of available programs.
Set Default Program for Specific File Types
Step 1: To set a different default app for all files of a certain type, you can also start by locating a file of that type first and then by right-clicking on it. This time though, locate the Get Info option and click on it.
Step 2: This will display the information panel for that particular file. On it, look for the Open with: section located almost at the bottom of the window. If it is not open, click on the small triangle until the information is displayed just like on the screenshot below.
Step 3: There, you will see a dropdown menu that will display all of the apps that support the file and are capable of opening it. Click on this menu and then select the application that you want to use to open that file type from then on.
If you don’t find the app you are looking for on the list, simply click on Other… to look for one within the Applications folder.
Step 4: Once you select the application you want, click on the Change All… button to apply the changes. Then, confirm your selection on the next window.
Once you are done, just close the information panel and you will be set to go. From now on, every time you open any file of that type, it will open in the new application you selected.
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More in MacTop 5 Fixes for iMessages Not Syncing on Your MacWhat are startup items?![]()
Startup items, or login items, are services and applications that launch every time you start your Mac. These are applications that sneak into startup items without notice, never asking if you need or want them there. This way you may end up with a dozen apps launching as soon as you turn on your Mac, weighing heavily on its processor and memory capacities and slowing it down. Such items can increase your Mac’s startup time and decrease its performance.
Plus, sometimes when you remove an application or a service, it leaves a login item with a broken link. These broken login items are completely useless, cause unwanted messages, and waste your Mac's resources (because they look for non-existent applications). Whether you're running macOS Catalina or El Capitan, or earlier — it's all the same, so just read on.
Itunes mac app store. So, let's go over how to take control of login items, and how to get rid of unwanted, broken or hidden startup items.
How to disable startup programs?
Do you want to stop programs from running at startup? There’s an easy way to remove programs from startup and get your Mac to load faster on launch. Last day app mac. The fastest way to turn off startup items on Mac is an app like CleanMyMac X.
How to change startup programs manually?
Disabling Mac startup programs is possible manually. Therefore, if you have some time and would like to do it yourself, follow the steps below.
Your login items are listed in settings. One of the easiest ways to control startup items is inside System Preferences > Users & Groups.
How to fix broken startup items?
Broken Mac startup files are left there because some part of apps are left on your Mac long after you’ve moved the app to the Trash. To get rid of these parts and to fix your startup, you’re going to need CleanMyMac again. First, you need to check if they’re among startup items and disable them if so. You can do it following the instructions above. Then you need to remove app leftovers. CleanMyMac works fine on macOS High Sierra and earlier OS.
You can also find and remove broken login items with the help of System Junk module:
Finally, you need to clean your macOS startup items through launch services:
Once you do it, all broken app data on your Mac will be fixed.
Remove daemons and agents from startup process
If speaking of files, first go to the system folder /Library/StartUpItems. Here you’ll find all the startup files that are being launched with the system. You can delete the login item you think is necessary if you’re totally sure what you are doing.
How To Change Apps That Open When Mac Starts Automatically
Also, the /Library/LaunchDaemons folder contains a bunch of preference files that define how the application that is being launched along with the system should work. You might want to delete some of these files as well if you know you don’t need them and removing them is safe.
The /Library/LaunchAgents contains preference files responsible for the apps that launch during the login process (not the startup).
How To Change Apps That Open When Mac Starts Without
The above-mentioned folders contain app-related files. However, you can also check system folders to review whether you need some of the system applications to be running on startup:
But, if you’re looking for simple ways to remove login items, we suggest using a professional Mac utility. Download CleanMyMac X for free and make unwanted and broken login items a thing of the past.
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