The Object-Level Metadata-Preserving Cross Heterogeneous Operating Systems Backup And Restore Apparatuses, Methods And Systems (“MPBR”) transforms pairing request, backup request, restore request inputs via MPBR components into pairing response, backup response, restore response outputs. A device pairing request associated with a source share at a source device is obtained. A simulated block device backup volume for the source share is created on a backup device and formatted using a file system driver executable by the backup device's operating system. A backup request associated with the source share is obtained. A connection is established between the backup device and the source device using a file sharing protocol driver configured such that files metadata is presented to the backup device in a compatible metadata format. Files from the source share are synchronized. Changed synchronized files are determined. Metadata associated with the changed files is updated. A snapshot of the volume is generated.