Neptune
Neptune is a framework component embedded within Dymo label printing software for macOS. It provides core functionality for communicating with Dymo label printers, handling print jobs, managing label templates and printer settings. Neptune is not a standalone application but rather an internal library that the main Dymo software relies on to function. It is updated automatically whenever the parent Dymo application is updated.
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1 suggestionNeptune is a framework component that ships inside the Dymo label printer software, not a separately downloadable application. You cannot update Neptune on its own through the Mac App Store or a standalone download. To ensure Neptune receives any Apple Silicon compatibility updates, update the main Dymo application to its latest version. Check Dymo's website or use the Dymo software's built-in update mechanism (typically found under Help or Preferences) to download the current release. If Dymo has shipped a native Apple Silicon build of their label software, updating will automatically include a compatible version of Neptune. If you are uncertain whether your Dymo software runs natively on Apple Silicon, contact Dymo support directly or visit their macOS support page to confirm the architecture of the current release before Apple removes Rosetta 2 in macOS 28 (September 2028).
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