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I spent 1.5 hours on the phone with Apple Support. I'm fearful of remnants lying about that will make this error come back.) (I have not gotten brave enough to rename the new calendars to the old names. Don't sync the old calendars with the original names! Then check the box to sync only selected calendars. Say 'yes' to remove / delete the calendars on your phone. Uncheck the box to "Sync iCal Calendars". On iTunes: connect the iPhone, and go to "Info" for your phone. Import the old data into the newly created calendar. Name it something different, for example, if the original was "holidays", then make the new one "holidays_recreated". Still on iCal, create a new calendar for each one of the ones exported. On iCal: export each calendar, one by one, into. The fix (summary): export the data in all iCal calendars, create new iCal calendars, import the data into the new calendars. My problem: something was corrupted in iCal, but it only showed up on the iPhone, not in iCal. I was only sync'ing via iTunes, not MobileMe, not iCloud. However, with hundreds of entries that are affected, I'm looking for a more elegant and less time-consuming solution. Given this, I have been able to go in and manually delete the entry with the new date/time, and after syncing, only one entry with the correct date/time remains.
#Ical dupe deleter mac
However, I have discovered that if I change the date or time on one of the duplicate entries in iCal on my Mac (remembering that they don't appear as duplicates in iCal, only on the iPhone) a second entry then appears in iCal with the original time, suggesting that the iCal calendars have somehow duplicated multiple entries for the same event on the same date and time. None of these activities have corrected the issue.
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