In this section, I will be describing ways to “Sign out of FaceTime: How to disable or enable FaceTime on Mac”. FaceTime is Apple’s video and audio platform that enables iPhone users to communicate with one another. Kindly refer to these related blog posts: How to change the default screen capture format in macOS, how to change the name of your macOS user account and home folder, how to enable or disable automatic Live Caption on macOS through Chrome, and how to locate and edit the host file on macOS.
Before you can make or receive FaceTime calls or phone calls on your Mac, you will need to sign in to FaceTime using your Apple ID and ensure FaceTime is turned on. In order to sign out of FaceTime, follow the steps outlined later in this guide.
There are actually a couple of ways to turn off FaceTime on your Mac. Kindly follow through this guide on how to achieve this.Also, see How to fix “Unable to Sign In: Domain Not Available”, and What is Windows Subsystem for Linux. Here is How to determine GPO from GUID or Name.
Why would you disable FaceTime on Mac?
Every time my iPhone rings with an incoming call, the rest of my Apple devices ring simultaneously. and this can be very annoying. To even make matter worse, the Mac device will often continue ringing for a few seconds even after taking the call on an iPhone.
With this scenario I have just described, you will agree with me that, when we do not use FaceTime on Mac, it can be disabled. Nevertheless, to enable FaceTime calls, simply sign back into FaceTime on your Mac.
Should in case you do not want to disable FaceTime, you can use the following steps described in this guide to unlink FaceTime from Mac.
Please see How to upgrade macOS Big Sur to macOS Monterey, and Log Off: How to sign out of Windows Server 2012.
Disable FaceTime by unchecking the “Enable this account”
If you want to stay signed in to FaceTime but stop receiving calls, you can turn off FaceTime. This guide on how to sign out of or disable FaceTime on Mac will help prevent unnecessary interruptions.
If someone calls you, you won’t receive a notification for the call; to the caller, it looks like you’re not available. To do this, open the “FaceTime” application on the Mac as shown below.
From the top menu, select FaceTime and then Preferences.
In the Preferences window that opens
Uncheck the “Enable This Account” button as shown below.
As you can see, FaceTime has been turned off. At this point, the FaceTime preferences will be grayed out!
To turn FaceTime back on again, launch Facetime, and click on the button Turn On.
Note: If you just recently turned FaceTime off, you may not be required to authenticate. 
As you can see below, I have entered my Password, and FaceTime is being activated for me.
Sign out of FaceTime
When you sign out of FaceTime, you can’t receive FaceTime calls or phone calls until you sign in again. To do this, please follow the steps below to sign out of FaceTime on your Mac.
- In the FaceTime app on your Mac, choose FaceTime > Preferences, then click Settings.
- Click Sign Out.
Turn FaceTime on or off
If you want to stay signed in to FaceTime but stop receiving calls, you can turn off FaceTime.
If someone calls you, you won’t receive a notification for the call; to the caller, it looks like you’re not available. This section explains how to sign out of FaceTime or disable FaceTime on Mac.
To do this, launch FaceTime, and from the top menu, select FaceTime and then click on “Turn FaceTime On“.
Moreover, as you can see, FaceTime has been turned off.
Instead of turning off FaceTime, you can turn on Do Not Disturb or another Focus in Control Center, which prevents notifications from disturbing you. However, to turn on FaceTime again, follow the steps below.
Turn on FaceTime: Choose FaceTime > Turn FaceTime On.Furthermore, I hope you found this blog post on “Sign out of FaceTime: How to disable or enable FaceTime on Mac” helpful. If you have any questions, please let me know in the comment session.
