You can wait until the Internet is back to normal or change to a stronger one. So, if you find the Sign Out option under the Overview tab in Apple ID is greyed out, you cannot connect to iCloud on Mac, then check your network connection. Since Apple ID relies on the Internet work to allow your iCloud and other Apple services to sync on all your Apple devices. In more detail, you can't sign out of Apple ID because of: Both the errors in Apple ID (or iCloud) and the system can cause you even be unable to sign out of Apple ID on Mac Big Sur. Why can't you sign out of Apple ID on Mac? FAQ about can't sign out of Apple ID on Mac Can't sign out of Apple ID/iCloud on Mac, what to do? Guide to fixing 'can't sign out Apple ID on Mac': From here, you'll learn about the reasons why you can't sign out of Apple ID on Mac and how to fix the problems to enable the sign-out process to go on. It is so strange and drains you into endless annoyance. Apple ID is taking forever to sign out.'Sign out is not available due to restrictions' error message shows up.The Apple ID sign-out button is greyed out.But when you click the iCloud (on macOS Mojave or earlier) or Apple ID option (on macOS Catalina or later) to sign out the iCloud on Mac, you run into one of the following situations or similar: You prepare to stop iCloud from syncing your Mac data to the Apple server. Can't Sign Out of Apple ID/iCloud on Mac/MacBook, Here're Fixes

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