Which of the following is an advantage of saving Word documents to OneDrive?

a$.$ AutoSave is on$,$ which means a document is automatically saved every few seconds as it is being edited.

b$.$ The AutoRecover setting for documents saved to OneDrive is adjusted to occur every $3$ minutes.

c$.$ A folder structure is not necessary in OneDrive as files are categorized and stored by revision date.

d$.$ A Microsoft account is not necessary to access Onegrive.