How to add an AirDrop cut to the doc on your Mac May 25 2018
Ever wondered how to make Apple's seamless file transfer utility AirDrop more convenient? With the following steps AirDrop will bealways present at the bottom of your screen on your Mac.
1.) Open a new Finder windows or click on the Desktop.
2.) In the menu bar, click on Go then click on Go to Folder in the drop down menu.
3.)When a dialog opens copy & paste the following file path /System/Library/CoreServices/Finder.app/Contents/Applications
4.In the Contents/Applications folder within the Finder.app package, drag the AirDrop application to the dock.
Taken from https://www.macrumors.com/how-to/add-airdrop-shortcut-mac-dock/