Cached Exchange Mode allows Outlook to store items in your mailbox to your system.
This will make Outlook run a bit faster in most cases.
you’re free to enable or disable Cached Exchange Mode in Outlook 2016 with these steps.
When enabled you could use the slider to select how much mail you wish to keep offline.
Be sure to select OK and Next once youve made your changes on these screens.
FAQ
Why dont I have that option in my Outlook?
Be sure you are selecting an account that is connected to Exchange.
Why is this option grayed out?
Your company IT administrators may have disabled it.Try these stepsto see if it works for you.
