Before emptying the cache, you may want to ensure that your Outlook information is backed up.
When it comes to support with security updates and confirmed software bugs, no support charges will apply but you might need to supply credit card information to open the support case. Language issues If you are working with an IMAP server which is using names for special folders in a language other than your language of Outlook, these special folder might not be recognized in Outlook and local “This computer only” folders might be created.
For instance, an English version of Outlook might not correctly map the Sent Items folder to the “Verzonden items” folder located on a Dutch IMAP.
If you do not do this, your Inbox could remain empty and other folders might not sync or show up at all and move, copy and delete actions could result in permission errors.
Some IMAP servers branch of all your folders from the Inbox folder.
Right-click the folder, and then click Properties to check your permissions for the folder.
See the folder owner or your administrator to change your permissions.
Sometimes my move action is followed with the error: “Cannot copy the items.
You don’t have permission to create an entry in this folder.
It looks like the recent updates for Outlook completely broke my IMAP account in Outlook 2013.
For instance, the Inbox folder stays empty with the message “We didn’t find anything to show here”. In other folders, some e-mails can’t be moved or deleted or changes I make in Outlook do not sync to the server.
See: Uninstalling Outlook or Office updatesand: Uninstall Office 365 Click-To-Run Updates Important!