It might be the "mail to keep offline" slider. https://support.microsoft.com/en-us/help/2733062/only-a-subset-of-your-exchange-mailbox-items-are-synchronized-in-outlo
On Tue, Jul 18, 2017 at 2:11 PM, Katherine M. Moss < km...@winterhillsolutions.com> wrote: > Hi all, > > Have been curious about this for a bit now that I see it nine calls out of > ten at work. I have people who call into the service desk stating that > since the move from office 2007 to Office 2016 (yes, we do still have some > users using 2007), they are unable to view emails in Outlook 2016 that are > more than 30 days old, and they get a message that there are more items > stored on the server, click here to view them. Sometimes checking the > download public folder favourites checkbox under the cached exchange mode > settings will do the trick, and sometimes it won’t. What causes this, and > what is a shorefire way to fix it, if you know? Thanks. >
