If the event you are attempting to delete was created from a recurring event, you should cancel this event instead so that it will not be recreated if the recurrence is regenerated.

If you wish to remove all remaining events from a recurring event, stop or remove the recurrence.

From the Calendar:

From any Calendar right click on the event and choose the Delete option from the context menu.

From the Daily Schedules grid:

In the Daily Schedules grid in the Schedule right click on the Schedule and choose the Delete option from the context menu, or select the schedule in the grid and click on the Delete option on the toolbar.

From the Events list:

In the Events list (Events tool under the Scheduling drop down menu in the Relationship Management and Calendar Modules) select any event and click on the Delete tool on the toolbar to delete it.

Schedules may only be deleted or cancelled if they do not have actual hours, and aren't finalized or completed.

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