I have Outlook sync with my Google calendar which syncs with my phone. I have a lot of recurring events that I will delete certain instances of or change them. These deleted events are gone in Outlook and Google but reappear on my phone after syncing! I will delete them on the phone but they come back every time I sync! I don't understand this since they don't exist in Outlook or Google Calendar. I have cleared the data under Calendar Storage numerous times and this works until I sync again. Any ideas?