Added the isHidden property to the mailboxFolder resource to identify hidden mailbox folders.

• mailboxFolder

Both explicitly reference the same documentation; this does not confirm the same change, rollout or applicability (6 items)

• Public source · November 2026
  Security | Case management (beta): 1 API change passage Shared reference: https://learn.microsoft.com/en-us/graph/whats-new-overview
• Public source · November 2026
  Device and app management | Cloud PC (beta): 2 API change passages Shared reference: https://learn.microsoft.com/en-us/graph/whats-new-overview
• Public source · November 2026
  Teamwork and communications | Messaging (beta): 3 API change passages Shared reference: https://learn.microsoft.com/en-us/graph/whats-new-overview
• Public source · November 2026
  Security | Content management (beta): 1 API change passage Shared reference: https://learn.microsoft.com/en-us/graph/whats-new-overview
• Public source · November 2026
  Security | Data security and compliance (beta): 1 API change passage Shared reference: https://learn.microsoft.com/en-us/graph/whats-new-overview
• Public source · November 2026
  Security (beta): 3 API change passages Shared reference: https://learn.microsoft.com/en-us/graph/whats-new-overview