Impersonate User Config

 Below are instructions for configuring impersonation in office 365.

For Exchange 2013 please go here

For Exchange 2010 please go here

Configure Impersonation Office 365

Step 1 - Get to the Office 365 Admin Center

Goto https://portal.office.com click the ADMIN link at the bottom right.

Step 2 - In the office 365 Admin Center 

Scroll down to the bottom and click Exchange

Step 3 

Click Permissions and ClickDiscovery management, then click thePencil

Step 4

Click The + below roles. SelectApplication Impersonation, clickAdd and hitOK

Step 5

Click the + below members,select your user that will be the impersonate user. ClickAdd, HitOk and hit Save.
You have now setup your impersonate user.