Unable to stop merging contacts on my MacBook Air
i asked Contacts to merge 3500 duplicates., After an hour it is still running. I am Unable to shut down because merging is running .
" Merging duplicated data" is on screen with '?' and 'cancel' both do nothing.
What to do?
[Re-Titled by Moderator]
MacBook Air 13″, macOS 14.0