Production answer · offline workflow
Does the studio require an internet connection?
After the application shell is cached, the core project, proof, checkpoint, CSV, and ZIP workflows run locally without a runtime API or required upload.
Why this matters
The product uses browser storage for convenience and self-contained downloads for portability.
A reviewable sequence
- Open the product once while online when using a hosted copy.
- Export a checkpoint before travel or browser maintenance.
- Verify cached reopening in the intended browser and device.
- Keep the product bundle and project backups in controlled storage.