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Duplicate events in iCal

I moved my calendars to iCloud (and had do deselect the calendars that I'd been keeping locally) but even though I only have iCloud calendars checked, Siri says that I have duplicate events. In iCal and on my phone, the event is only listed once, but Siri says I have 2 of them.


Any ideas?

Posted on Apr 12, 2012 12:28 PM

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Posted on Apr 12, 2012 12:47 PM

In the Mac there is an app to download called "iCal Dupe Deleter".

22 replies

Apr 12, 2012 1:31 PM in response to TonyInSF

Hi Tony,


You'll find iCal Dupe Deleter here.


Thanks for the mention LexSchellings. However i don't believe it will work in this case. If the events are in different calendars then they won't be considered duplicate.


TonyInSF could you answer these 3 questions?

When you look at the calendar list in iCal what sections are the calendars under ("ON MY MAC, "ICLOUD", "EXCHANGE", "GOOGLE" etc.)?

Are all the calendars checked when you look at the calendar list?

Where do you sync your calendars to?


(I'll also mention that iCal Dupe Deleter is donationware. If you do find it useful please donate.)


Best wishes

John M


As I sell software on my site and ask for donations, the Apple Support Communities Use Agreement requires that I state that I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Apr 12, 2012 1:53 PM in response to John Maisey

Thanks, guys. Both of these applications are really cool, but it's not fixing my problem. For example, my Personal calendar is showing up twice. I tested both of them, and Dupe Deleter found the same 11 duplicates in both, but it still treats them as 2 different calendars.


All calendars are listed under ICLOUD, except for one listed under SUBSCRIPTIONS. There are no calendars ON MY MAC (and I don't even see ON MY MAC listed).


Only one very old work calendar (from a previous employer) is not checked (but also appears as a duplicate calendar in these applications).


I sync my calendars to the cloud, I think. I haven't gone totally wireless, though, and still sync my iPhone with iTunes via USB cable. Again, they don't show up as duplicate calendars in iCal or on the phone, but show up as duplicates in both of these applications, and that may or may not be the reason that Siri is telling me that I have 2 haircut appointments this Saturday at the same time. 🙂

Apr 12, 2012 2:04 PM in response to TonyInSF

Hi Tony,


TonyInSF wrote:


I sync my calendars to the cloud, I think. I haven't gone totally wireless, though, and still sync my iPhone with iTunes via USB cable.


Apple recommend you don't do that.


From Apple's support page iCloud: Resolving duplicate calendars after setting up your calendar application for iCloud Calendar (which may help fix your issue).


This issue can be caused by:

Using iCloud Calendar with iCal or Outlook and using iTunes to sync iCal with your iOS device(s) via USB or Wi-Fi.



Best wishes

John M

Jul 25, 2012 8:06 PM in response to TonyInSF

I am having a similar problem, except iCal has tripled all my events. I tried "iCal Dupe Deleter," which works perfectly however within about ten seconds all the duplicates come back. I followed the instructions on both Apple support pages with no change. I even turned off iCloud and de-duped, which did work on my iMac and MacBook Pro individually, but not for my phone and once I turned iCloud back on everything tripled again.

Since Lion I am having regular problems with Mail, iPhoto, iCal, iTunes, what a pain.

Jul 26, 2012 6:06 PM in response to John Maisey

Hi John-

Well I just spent 45 minutes doing this (I have a lot of calendars) and when I resubscribed to iCloud, I now have four of every event, the three that were previously duped and the new one I created. I'm surprised that iCloud can't tell which is more recently created, and that they are duplicates (given the calendar names, colors and text are identical.

I'm going to try this again (call me sucker) and see if I can delete the calednars from iCloud before resubscribing. I'll let you know what happens.

THanks,

Matthew

Duplicate events in iCal

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