Global address list not updating in outlook 2016

In Outlook 2007 and older, the option to set which address book is shown first when you click To is at the top.

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If you want a specific address list to be shown first when you open the address book or click the To button, you can select it in the Address Book options.You can also set the order Outlook searches your address books in this dialog.If you are using Microsoft Exchange Server, you may see the Global Address List by default.We're concerned in this case with the order in which address books are listed in the Address Book, under the Show Names from list.You’ll have to rename them all to or, in the case of Outlook 2010 or Outlook 2013, rename the folder containing the oab-files to to reset the local Offline Address Book.

Renaming just a single or some of the files will result in an OAB corruption. A benefit of manually deleting the oab-file is that before they are being re-downloaded, you are working with the Online Address Book.

Key: All Users or any other object type such as All Contacts, All Groups or All Rooms.

Full OAB download threshold To modify the threshold at which Outlook will download the full OAB rather than the incremental update, you can set the following Registry value Key: As the value, set at which relative size a full OAB download should take place rather than an incremental update.

This allows you to abort the update process when you are for instance on a slow or expensive connection.

Key: Note: As Outlook 2010 an Outlook 2013 can connect to multiple Exchange servers in a single mail profile, there is an additional “Offline Address Books” subdirectory which contains folders with GUID references which contain the actual oab-files.

Note: The following does not apply to modern versions of Outlook.