In addition, the conflicting or second copy of the email message is always going to be the one from the cache on the computer.
Users with the Click to Run installations (most people) will see the fix soon, if not already.
A Microsoft Outlook Most Valuable Professional (MVP) since 1999, Diane is the author of several books, including Outlook 2013 Absolute Beginners Book.
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.
If a modification or update is made in Microsoft Outlook, any properties of that same email message with Cached Exchange Mode enabled, the updated copy of the message is synchronized back to the mailbox.
At this point, there are conflicting properties and the email message is placed in the Sync Issues - Conflicts folder in Microsoft Outlook.To search through subfolders in addition to the current folder, look for a box next to the search box that has a drop-down menu. You can also choose to search the Current Mailbox or All Outlook Items.Users have complained for months that Public Folder Favorites were not being cached in Outlook 2016, even though caching Public Folder Favorites was enabled in Account Settings, More Settings.https://wvu.teamdynamix.com/TDClient/KB/Article Det? ID=15142 Shared Mailbox Accounts and Outlook's Offline Cache Shared Mailbox accounts have the potential to greatly impact the size and performance of a user's offline cache file in the Outlook client.This article includes recommendations as to how to minimize this impact.When a new email message arrives at the mailbox, Microsoft Outlook is notified before the Black Berry Enterprise Server.