"DSM.zip" usually refers to a compressed file from Synology DiskStation Manager (File Station) or a large installation package for Dell Storage Manager. Synology users typically create this archive to download multiple files, while Dell users utilize it to install management software. For official Synology documentation, see Synology Knowledge Center .
OEM DSM Storage Manager - 2020 R1.21 Release (Full ... - Dell Download File DSM.zip