Team admins can silently install the Dropbox desktop application on all team member computers at once using the enterprise installer method. Dropbox Business team admins can run the installer remotely with a managed-software solution or deployment mechanism.
Refer this link for Dropbox exe based silent installer. => https://help.dropbox.com/installs-integrations/desktop/enterprise-installerNote: Dropbox does not provide an MSI wrapper for deployment or installation. But osd365 can help create MSI files for deployment via SCCM or Intune.