However, some Outlook users might not always be able to download that offline address book when errors arise. Error 0X80072f06 is one Outlook Exchange sync issue that stops the OAB downloading.

What can I do if Outlook’s Offline Address Book isn’t downloading?

1. Manually update the Offline Address Book

2. Check that Cached Exchange Mode is enabled

3. Check that the BITS service is enabled

4. Rename the Outlook Address Book folder

5. Set up a new Outlook profile

You can’t open Control Panel? Take a look at this step-by-step guide to find a solution. In the end, make sure that the latest Office version is installed. To do that, open an Office application and select File > Account. Then select Update Now on the Update Options menu. Those are some of potential resolutions that might fix the Offline Address Book so that you can download it again. Anybody who has fixed the same issue with another resolution not listed above is more than welcome to share that fix below. RELATED ARTICLES TO CHECK OUT: 

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