This feature is not available for Salesforce Classic.
There are two lightning components available when integrating Office 365 with Contracts for Salesforce:
Office 365 Document Collaboration: This component displays the current status of any review cycles. You can see if a review cycle is Active or Inactive, and view the Start and End Time.
Documentation Collaboration Status: This component displays any current active review cycles.
To Add an Office 365 Component
Navigate to your Contract Agreement
From the setup icon in the upper right, click Edit Page
Under the Components list on the left, click and drag one of the following onto your page layout:
office365CollaborationDataTable to display the status of any review cycles
o365CollaborationStatus to display the status of current active review cycles
Click Save
Click Activation to activate and assign the new page layout