Outlook 2016 public folders not updating
If you just upgraded your desktop email client to the latest version, you also might be facing Outlook 2016 Search not working issues.
Since Outlook is a most popular email client being used to send and receive bulk emails in a significant number of organizations as well as a personal level; it must be maintained and upgraded on a regular basis.
This also affected the ability to search public folders: because the items weren't cached, Outlook wasn't indexing the folder contents.
Search only worked if you unchecked the Download shared folders option which switched the folders to online mode, where items were indexed by the server.
When this option is not active, emails can not be deleted at all - nothing happens on pressing "Del".
If I log into Outlook Web Access (OWA) I can see dozens of unread email throughout my folders, but in Outlook I have to click each folder individually to get it to synchronize. Try creating a new Outlook profile for this Exchange account.
The only issue is that in cached mode the secondary mailbox that it has permissions to view shows all it's folders but when clicking on the folders it shows no content.
Clicking Update Folder brings the emails down but there are too many folders to do this one by one. If not in cached mode I can see all the emails in every folder.
If this is the case, all you need to do is just stay calm and try some resolution methods to fix Outlook 2016 instant search error.This also made large public folders slow to use as the contents needs to sync down every time you switched to the folder.This issue was fixed in the in the January 3, 2017, update for Outlook 2016 (KB3141453) for MSI installations.Some folders are not same on server (webmail) and in Outlook. Secondly, I would like someone from Smartermail team to acknowledge that the correct way to set up IMAP account is leaving "Mark items for deletion but do not move them automatically"?When email is deleted, it is not removed immediately from inbox but rather marked with strikethrough.Users with the Click to Run installations (most people) will see the fix soon, if not already.