Q: Why won't recurring events delete from my iMac's iCal? iPhone, iPad

Yes I am prompted, if I choose one event it will delete but if I choose all future events nothing will happen.

If I make a change to a recurring event it will duplicate (still keeping the original).

but,

I have just discovered something interesting when doing a test as you advise...if I delete the very first day of the event, it deletes all successfully, choosing anything repeated after the first day of the event, it will not.

Thanks

I don't think I've explained myself well... On all my other devices I can select a recurring event and delete it. All future events are then deleted (not past ones).

On my iMac, I cannot delete recurring events without doing them individually day by day.

I have just discovered that I can delete the recurring event on the iMac only if I find the very first instance of the said event. This isn't practical to search backwards to find the day that I created that repeat in order to delete it or change it.

I do not have any issues with Mac Book Air's iCal, iPad, phone etc... I can select any recurring event, edit it or delete it from any point and forward.

Does that explain thinks better?

Basically, if an events recurring I can't delete it on my iMac (it's removed for about a second before being reinstated), non of my calendars are read-only.

Thanks

Yes, I use iCloud. Everything has always been fine on all other devices, just the iMac's iCal that's not happy.

I've upgraded to El Capitan, all is now working brilliantly. I didn't realise this would sort it. Thanks v.much for your time & help.