*Please note: Microsoft is supporting Defender ATP on macs running macOS 10.15 (Catalina) and 10.14 (Mojave). For help finding software upgrades for your mac, visit the Apple Software page.

Layout:

Step 1

Open Finder > Go > Applications

Step 2

In Applications, locate Microsoft Defender ATP

Step 3

Secondary click on Microsoft Defender ATP and choose Move to Trash

Step 4

Provide administrative credentials to complete the move to Trash.

Alternatively, Microsoft Defender can be uninstalled from the command line via this single command (administrative credentials required):

sudo rm -rf '/Applications/Microsoft Defender ATP.app'