Caution: The following procedure deletes any information that is not synchronized with the Exchange server, including your contacts' mail certificate. Emptying the cache replaces the contents of the folder with the latest items from the Exchange server.
![Mac Mac](http://cdn.osxdaily.com/wp-content/uploads/2017/04/library-caches-folder-mac.jpg)
Before emptying the cache, you may want to ensure that your Outlook information is backed up. Make sure that your computer is connected to the Exchange server. In the navigation pane, Ctrl+click or right-click the Exchange folder for which you want to empty the cache, and then click Properties. On the General tab, click Empty Cache. After the folder is empty, Outlook automatically downloads the items from the Exchange server. Related information.
How to clear cache files on Mac with a single click of a button Instead of searching all over your Mac to find and remove cache files yourself, you can clear user caches on a Mac using CleanMyMac X. It makes removing cache files as easy as can be.