Syncing Outlook 2010 with iphone 4 - getting duplicate entries on phone

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Jeanie P

I had been using Outlook 2003 with no problems on my iphone 4. I upgraded to Outlook 2010 last night and now when I sync, it duplicates all items on my iphone and isn't putting items that were orginally scheduled on my phone into my outlook calendar.

I need this to be fixed since I use it for business to schedule appointments while on the go.

Please help

Karl Timmermans

Senior Member
Outlook version
Outlook 2013 32 bit
Email Account
Outlook plays no part in the sync process. Anything that occurs is the result of the sync software in use which uses Outlook data files. First thing that you should ensure is that whatever sync software is being used has been updated to work with O'2010.

For Iphone/iTunes/Sync related issues see:

Apple support forums:
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