A favorite for our power users, Contacts for Mac OS X allows you to easily search, access, and maintain your contacts directly from your dock or menu bar. Install on macOS The most intuitive contact management app for professionals, teams, and small businesses. Leftover files that are not removed when deleting the app can be used to reinstall the app on your machine the next time you boot your Mac. In order to prevent this from happening, you’ll need to stop the app from automatically starting. To do so, begin by clicking on the Apple icon in the status bar. How to uninstall default apps on Mac with Terminal. Despite the warning, it is possible to remove unnecessary standard programs via Terminal. But first, you should know that with the release of macOS 10.12 Apple has made changes in its security technology System Integrity Protection (SIP) and it now forbids modifying system items on Macs.
How To Remove Apps From Startup
Contacts User Guide
How Do You Remove The Contacts App From Mac Os
You can add or remove contacts in a group. Removing a contact from a group doesn’t delete the contact.
Add contacts to a group
In the Contacts app on your Mac, select contacts.
Drag the selected contacts to a group in the sidebar.
If the contacts don’t go into the group, check the group—you can’t add contacts to a Smart Group.
If you use an Exchange account in Contacts, those contacts can belong to only one folder at a time. Any contacts that aren’t in a folder you create are in the default Exchange Contacts folder.
Remove contacts from a group
In the Contacts app on your Mac, select the group in the sidebar, then select the contacts you want to remove from the group.
Press the Delete key on your keyboard.
Click Remove from Group.

Remove App From Microsoft Account
You can’t directly add contacts to or remove them from a Smart Group—you must change the criteria of the Smart Group to change who is included in the group. See Create Smart Groups.