If and when Sprint-Layout 7.0 drops, it is almost certain to maintain backward compatibility with .LAY and .LAY6 files. The best way to prepare is to keep your custom macro libraries organized.
: Unlike older versions that only exported files, the current software can load existing Gerber files and convert them back into a workable layout. sprint layout 7 0
files (HPGL) for rapid in-house prototyping. Professional Gerber/Excellon files for factory production. Key New Features & Enhancements If and when Sprint-Layout 7