Note that large feature services (>2GB) may fail to export to a zip, requiring a "Create Replica" workaround.
For custom web tools, you can register a custom data action in ArcGIS Experience Builder to handle the export/download. Download Dagi zip
Based on your request, 1. Prebuilt Binary Setup To develop a feature requiring Dagi (Dagor) Engine tools, you must download prebuilt binary files. Note that large feature services (>2GB) may fail
If exporting attachments, ensure relationship classes between features and attachments are maintained. Download Dagi zip