Folder sharing lets other people access one or more folders. However, it does not include permissions for them to act on your behalf. For example, a person who can access your folders can’t reply to email messages or respond to meeting requests for you.
Using Delegate Access , you can give someone permission to act on your behalf. For example, you might have an assistant that you want to create and respond to meeting requests for you. Some assistants might also monitor a manager's Inbox and send email on behalf his or her behalf.
Note: The procedures in this article assume you have granted someone Delegate Access permissions. For more information about delegate access, see Allow someone else to manage your mail and calendar.