Updated June 12th, 2019.
You’ve seen the Mac’s Share button (square with an up-pointing arrow) before. It’s the one that lets you share a web page from Safari, or a vCard from Contacts, or a file from the Finder. “Sharing” can mean a variety of things (email it, post it to Facebook or Twitter, add it to Photos, send it via Messages, etc.). Here’s how you customize the Sharing button so the options you want are present and the ones you don’t are not.
- Go to the Apple menu and choose System Preferences…
- Click on Extensions
- Click on Share Menu
- Check and uncheck services as desired, and drag to change the order
Result: next time you click on the Share button you’ll get just the services you want, in just the order you want. Here’s how it looks on my Mac: