In this step-by-step tutorial, we show you how to set up an automation on Mac that automatically opens a specific app when you connect an external SSD, thumb drive, hard disk, or SD card. This is a simple tip you’ll especially love if you edit videos or photos. For instance, you might connect an external SSD or a camera SD card to your Mac daily, then open Final Cut Pro, Pixelmator, or Adobe Photoshop. Automating this app-opening process will ensure you have one less thing to do after plugging in the external drive. Set a Mac app to open when you connect an external drive 1) Connect the external SSD, hard disk, pen drive, or SD card to your Mac. 2) Open the Shortcuts app on your Mac running the latest version of macOS and select Automation from the left sidebar. 3) Click the plus icon (+) to create a new automation. 4) Select External Drive as the condition and click Next .…