Not downloading offline address book files

This is an article written by Frank Plawetzki, a Senior PFE from Deutschland, and originally published on Opsvault. Throughout the last weeks I have seen two different issues that prevented Outlook clients from downloading the OAB (Offline Address Book). One affected public-folder based OAB distribution and the other affected web-based distribution.

For Users where Outlook is in Cache mode, They got to have their Outlook Address book when they are offline. If Outlook is left running constantly in Cached Exchange Mode, it updates the Offline Address Book automatically about once a day…

Users can't download the Offline Address Book. If the expected changes aren't present in the GAL, the changes will not replicate to the Offline Address Book. This is a guide on how to download your offline address book in Outlook 2013. Microsoft Exchange generates the new OAB files and then compresses the the file names are not prefixed with a “u” as the OAB files are stored in ANSI format. 7 Jan 2020 Renaming the Outlook Address Book will refresh the OAB files, which is another The Offline Address Book not downloading might be due to a  21 Apr 2016 I might have a problem with my Offline Address Book in Outlook. a complete fresh copy of the OAB but this could take longer to download. file names are not prefixed with a “u” as the OAB files are stored in ANSI format. 9. Mai 2019 System Registry. You can disable the OAB download using the following registry key: DownloadOAB. Value: 0 to not download the OAB 

Are you troubleshooting an Offline Address Book issue? Knowing how the timings work in Outlook and Exchange and how to trigger a manual update and download of the OAB-files can help you solve it more quickly. Images and other files are available under different terms, as detailed on their description pages. For our advice about complying with these licenses, see Wikipedia:Copyrights. OAB File Viewer opens complete data of udetails.oab file to read and view contact list. Offline Address Book Reader tool for quick viewing of OAB file. Apart from, when users account is hosted on the Microsoft Exchange server 2007/2010/2013 and they are received an exchange error message while attempting to synchronize Address book List (OAL) in local Outlook 2007/2010/2013. An application programmers interface for shared address book services in a computer system that provides a register function call that enables a set of client communication application programs executing on the computer system to each… A