Cached Exchange Mode folder synchronization order

As a response to What is Outlook synchronizing now?, the following was asked;

In which order does Outlook synchronize the folder when it is configured in Cached Exchange Mode? Can I configure this order?

There is indeed a specific order in which Outlook synchronizes the folders when you are connecting to an Exchange server with Cached Exchange Mode enabled. The order in which it does this depends on your version of Outlook (see the table below).

While you can’t directly change the sync order, you can still influence it by selecting the folder that you want to have synched.

Once Outlook is started and the cache has been updated, the synchronization is taking place based on timers and not on folders. This provides a near instant update mechanism.

Status Bar - Cached Exchange Mode - All folders are up to date.
Folders are first synched in a specific order and then kept up to date by timers.

Synching order

You can lookup the synching order for your version of Outlook in the table below.

Outlook 2010Outlook 2007Outlook 2003
1Security settingsSecurity settingsUtility folders*
2CalendarSelected folder**Calendar
3Selected folder**CalendarContacts
6InboxInboxUser-created folders***
7TasksTasksSent Items
8User-created folders***User-created folders***Deleted Items
9Sent ItemsSent ItemsPublic Folder Favorites
10Deleted ItemsDeleted Items 
11Junk mailJunk mail 
13Common ViewsCommon Views 
14Delegate contentDelegate content 
15Public Folder FavoritesPublic Folder Favorites 
*Utility folders are: common views, views, and security settings.
**By default, the selected folder is the Inbox.
***Remaining folders are ordered by Outlook by using an intelligent learning algorithm that identifies which of these folders are used more frequently.

Note 1: When Outlook is placed in “Work Offline” mode and you initiate a manual send/receive (keyboard shortcut F9), the currently selected folder does not have an affect on the synching order. So if this is a non-default folder, it will be treated as a “User-created folder”.

Note 2: For more information about the folder syncing process, also see KB2686906 (Outlook 2007 and Outlook 2010) and KB870926 (Outlook 2003)

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