Steps to Disable “Are You Sure You Want to Open This File?” Warnings on macOS

As the most popular operating system among the computer, macOS provides a series of humane care and protection for the computer and user’s safety, and among which monitoring the items being downloaded online is one of the most common feature, and it will always notify you whether you want to open the file downloaded from Internet. Is it very annoying for you and you just want this kind of warning does not appear again on your Mac? Here is a way that can help you to disable it.

“Are You Sure You Want to Open This File?” is a common warning on macOS, it will display on the computer when people try to open the file downloaded from the Internet, but you actually has been understood the risk and very familiar with the item you downloaded. In this situation, you can consider to turn off this warning, and enable you to open it directly on your Mac.

Steps to disable “Are You Sure You Want to Open This File?” warnings on macOS

Option one:disable the message via Mac Terminal

• Click on Terminal on the Dock, and the Mac Terminal will be opened
• Type this command “defaults write com.apple.LaunchServices LSQuarantine -bool NO” in the window, and hit Return key
• Reboot the computer

Option two: disable the warning from GateKeeper

In the recent versions of OS X, the computer provides a Gatekeeper feature, which enable user to define which kind of applications can be installed and ran on the computer, and you can make use of this to disable the warning via enable the computer to run apps from both the Mac App Store an identified developers.

• Click on the Apple icon on the Finder desktop
• Select System Preferences, and double-click on System & Privacy
• On the General tap, and look to the “Allow apps downloaded from:” section
• Select “Mac App Store an identified developers”, and close the window
• Restart your Mac