Duplicate Outlook Contacts and Appointments

Reader M.L. writes: Am using Activesync4.5 and when I re-sync my Moto Q, I get duplicates in my contacts & calendars. There is no info on how to avoid this on the Activesync 4.5 “help & How-to” pages.

First, aargh! I hate it when that happens. And, yes, it happens to me too. Not all duplicates are caused by ActiveSync, but it sure does create its share of Outlook headaches. And, if you live in the US and applied the Windows Mobile Daylight Savings change patch in March, take a look at birthdays in your calendar. Some of them may stretch across two days now.

I tend to be extremely cautious with my PIM data since I’ve been managing this data for over 10 years now (after getting my first Windows CE Handheld PC — an HP 320LX that still works!). So, I backup my Outlook data and then manually remove dups from Outlook before syncing with a Windows Mobile device. However, there are techniques and tools that you may want to evaluate for use. Here are a pair of references that may help.

Sperry Software article: Prevent and Remove Microsoft Outlook Duplicates

Outlook Duplicate Items Remover 1.2

2 thoughts on “Duplicate Outlook Contacts and Appointments

  1. Fernando Saraiva

    Hello.
    After restoring with ppcpimbackup the activesync 4.5 wants to duplicate my contacts when syncronizing with outlook.
    Any hint?
    Thanks
    Fernando

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