not always possible due to restrictions on what can be stored there and what users have locally size wise, bandwidth wise etc. Allowing them to attach an external USB and have it encrypted and then performing the backup prior to a wipe etc. Perhaps allowing the intune admin to configure a company storage account in azure and the default storage goes there might help? onedrive might not be the best place for legacy app files, database files, code files, etc. Not all end users live 100% in office.