Mailbox import and export: 3 API change passages
What Microsoft published
Changelog entryAdded the isHidden property to the mailboxFolder resource to identify hidden mailbox folders. Added the optional includeHiddenFolders parameter to the List child folders method on the mailboxFolder resource. Added the optional includeHiddenFolders parameter to the List folders method on the mailboxFolder resource.
3 individual passage citations
3 API documentation links
Related public evidence
No related evidence found in this installation's recent collection. This does not establish that no announcement exists.
Observed announcement history and complete recorded revisions
What changed
First observed 21 Oct 2026No field changes in the recorded history.
Cite this recorded revision to keep the same title, summary, facts and links when the page changes.
A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.