Outlook and updating increases simulate carbon dating
In a later section, it is explained how to modify this.There are various Registry settings available to control or modify the update and download behavior of the Offline Address Book in Outlook.The command for the manual update procedure can be found here: Outlook will automatically download updates only unless the size of the changes is larger than 12.5% (one-eighth) of the total OAB size.In that case the whole OAB is being downloaded again.
From the perspective of the amount of opened PST files in Outlook, there are two types of situations.If your case is either, the effective method is to reduce the number of PST files opened in Outlook.Therefore, you can close some PST files which are not actively needed. If you still wish to keep all the PST files in Outlook but the Outlook error persists, here is another approach.When you have Cached Exchange Mode enabled, Outlook by will by default cache the main Global Address List as well.This is called the Offline Address Book and is being generated on the Exchange server.
Prompt before for full download As the OAB can be quite large in some environments, it could be wise to be prompted when Outlook wants to download the full OAB.