OneDrive files remain private until shared. Microsoft's guide distinguishes a link from access granted to specific people, with view or edit permissions shaping what recipients can do. Sharing a folder exposes its contents according to those settings.

Illustrative image
Illustrative image.

Put only the intended files in a folder before sharing the whole folder. Review the link's scope and permissions so recipients get the needed access without assuming that every copied link automatically restricts itself to the named people in an accompanying message.