07-23-2009, 12:51 AM
Talking BlackBerry Encyclopedia
Join Date: May 2008
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J/w, do you have your BB calendar keep all appointments indefinitely? If it's only keeping appointments for say, 30 days, then your Outlook will want to reflect that change and delete all appointments your BB deleted.
If this isn't the case, I believe the BB synchronization settings has an option to ignore past appointments, i.e. it will only deal with changes made to future appointments. Try to look for it.
-Gmail BIS integration with an effective 2-way read/unread sync solution
-Better integrated alarm (on legacy devices)