I have a project file with a project calendar that shows up in the Change Working Time dialog box's For Calendar dropbox that is not being using in the project file. I've looked in the Calendar tab in Organizer, but cannot find the calendar in either the project specific or Global list of calendars. How can I find and delete this calendar from the project file?
If it's not a Resource calendar, your project may be corrupted.
You can use VBA to delete calendars. Go to the VB Editor (Alt+F11), show the Immediate Window (Ctrl+G) and type this, replacing with the appropriate calendar name and press Enter: