In that case, it is hard to recognize which folder belongs to which Exchange account as the folder names are GUID based. This folder will contain one or multiple folders depending on how many Exchange accounts you have configured on your computer. C:\Users\%username%\AppData\Local\Microsoft\Outlook\Offline Address Books\.The default location where Outlook stores the oab-files is Note: The Offline Address Book is also often referred to as the OAB, Offline Global Address List or GAL. However, determining the exact location of the oab-files that make up your Offline Address Book can be quite hard, especially when you have multiple Exchange accounts configured on your computer. If that doesn’t work, manually deleting the files would be the way to go. View-> Send/Receive Groups-> Download Address Book…-> untick: Download changes since last Send/Receive-> OKįorcing a complete sync of the Offline Address Book.When you run into issues with syncing your Offline Address Book, forcing Outlook to redownload your entire Address Book would be the first troubleshooting step. How can I find the correct location of the oab-files for the account that is having difficulties?Īlso, can I change the location of where Outlook stores the oab-files?
#Exchange 2016 offline address book not updating update#
The Offline Address Book of my Exchange account doesn’t update anymore in Outlook.Īs I also have another Exchange account with a large Address Book, I don’t want to throw away the wrong one.