Update 12/15/2025: We modified the date of this change to end of June 2026 based on customer feedback. Please use that extra time to remove your dependencies on EWS.
As part of our ongoing efforts ...
Updated Dec 18, 2025
Version 4.0
Blog Post
EWS ok, but what about GraphAPI?
And what about Shared Mailboxes?
What about OnPrem > Cloud migration endpoints that I think use EWS, that would target a mailbox licenses with Kiosk / F3?
Greg Taylor - EXCHANGE
Microsoft
MicrosoftNo changes to Graph API or Shared Mailboxes. On-Prem to Cloud using MRS is a pull operation, and does not use EWS to populate the target mailbox.