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# Data Exchange


Data Exchange enables cross-application file sharing, supporting both:

  • Import from external applications into CrownCAD.

  • Export to multiple formats for downstream use.

  1. Assembly Import Protocol:
  • Multi-file assemblies: Package all components into ZIP archive.

  • Naming convention: ZIP filename must match top-level assembly name.

  • Non-compliant ZIPs: Manual selection of root assembly required.

  1. System Constraints:
  • Batch limit: ≤10 files per upload session.

  • Compression: ZIP packaging recommended.

  1. Standard Edition quotas:
  • 10 upload sessions/day

  • 20 MB max file size

  1. Filename support: Chinese/English/alphanumeric characters

  2. Performance Notes

  • Large files: Import process may take longer

  • Multi-document conversion:

  • Processes one document at a time

  • Prioritize top-level assembly conversion