Other applications will replace the requested font with a placeholder font such as. Some applications may prompt you to enter your macOS username and password to grant access to the font. Sandboxed applications that try to use fonts in Universal Type Client will be blocked by App Sandbox the effects can vary based on the application. Universal Type Client stores fonts in /Library/Extensis/UTC/ instead of in an operating system font folder.

How does sandboxing affect font activation?Īpplications which use App Sandbox are unable to use fonts that aren’t located in one of the operating system font folders:

Some developers implement their own sandboxing model instead of using App Sandbox, so Activity Monitor may not list them as sandboxed.

Select Sandbox a Sandbox column will be added to the tableĪpplications which use the built-in macOS sandboxing features will have a “Yes” in that column.

Control-click on a column header a dropdown menu appears.

Open Activity Monitor (/Applications/Utilities/Activity Monitor).

You can see which applications use App Sandbox in Activity Monitor by adding a column to the table of processes. How can I tell which applications are sandboxed? Versions sold through direct sale and through the Mac App Store may both use App Sandbox, but in many cases the direct-sale version has functionality that Mac App Store restrictions doesn’t allow. Some third-party developers sell their applications both through the Mac App Store and through direct sales. Sandboxed vs. non-sandboxed applicationsĪpple requires that applications sold in the Mac App Store must use App Sandbox as of June 1, 2012. The main purpose of sandboxing is to protect your Mac in case the application is damaged or compromised by a malicious attack: a sandboxed app can’t steal or destroy personal data if it hasn’t been granted access to them.įor an in-depth technical explanation of sandboxing in macOS, go to About App Sandbox on the Apple Developer site. Sandboxing refers to restrictions on what system resources an application can access: files, folders, operating system features, and hardware components such as the camera or microphone. Apple introduced App Sandbox in Mac OS X Leopard (10.5) to allow developers to “sandbox” their applications.

Apple sandbox system files