Office 2016 offline address book not updating
(This could take several minutes) Step 2: Uncheck the box next to Download changes since last Send/Receive.
(This could take several minutes) Outlook shows the "Updating Address Book" status for a long time. Outlook has a throttling feature that slows the address book update when you are working in Outlook.
The Global Address Book (GAL) is a directory of available contact information for CUMC, NYPH and Columbia University faculty, staff and students.
It can be accessed when using a CUMC email (@cumc.columbia.edu) account with Outlook or when logged in to the Outlook Web App.
My computer slows down when Outlook shows the "Updating Address Book" status. In computers with slow hard disk drives, such as portable computers, or running Outlook in a Virtual machine, the process of updating the address book can slow down the computer if the hard disk is fragmented.