There are web app preferences to manage this in newer macOS.
In the Mail.app go to Preferences->general. There is an option "Add invitations to ICal" which is Automatic or None. You need to choose None.
When you have a mail with date and time in Mail.App will highlight that and clicking on that will add an event to iCal.
In the Mail.app go to Preferences->general. There is an option "Add invitations to ICal" which is Automatic or None. You need to choose None.
When you have a mail with date and time in Mail.App will highlight that and clicking on that will add an event to iCal.
There are web app preferences to manage this in newer macOS.
In the Mail.app go to Preferences->general. There is an option "Add invitations to ICal" which is Automatic or None. You need to choose None.
When you have a mail with date and time in Mail.App will highlight that and clicking on that will add an event to iCal.
In the Mail.app go to Preferences->general. There is an option "Add invitations to ICal" which is Automatic or None. You need to choose None.
When you have a mail with date and time in Mail.App will highlight that and clicking on that will add an event to iCal.
In the Mail.app go to Preferences->general. There is an option "Add invitations to ICal" which is Automatic or None. You need to choose None.
When you have a mail with date and time in Mail.App will highlight that and clicking on that will add an event to iCal.
In the Mail.app go to Preferences->general. There is an option "Add invitations to ICal" which is Automatic or None. You need to choose None.
When you have a mail with date and time in Mail.App will highlight that and clicking on that will add an event to iCal.
