Gradelink offers integration with the Microsoft Office 365 platform. This report saves considerable time by letting you sync student and staff names and class rosters into Office 365 including Teams for Education, OneNote, Exchange Online, Intune for Education and more. See this overview from Microsoft for more details.  If available in your account, you'll find the Microsoft SDS report under Administrator Reports > Custom Reports: Microsoft SDS Export. If the report is not available contact your administrator or Gradelink support for assistance. 

Click Microsoft SDS Export to download a .zip folder containing the six .csv files needed for synchronization with Office 365. Then refer to the following guide from Microsoft on how to complete the sync:

How to deploy School Data Sync by using CSV files