Delta Drive, Delta Trust & My Drive · Using Delta Drive
Can I open and edit a Delta Drive file directly?
Short answer: Yes. Double-click a Delta Drive file to open it in its usual app, and your changes save back to the drive automatically. Use Save a copy… when you want a detached copy on your Mac.
Yes. Double-click a file (or press Return) and it opens in whatever app owns it; your changes save straight back to the drive — through the Finder drive when it's switched on, and through a working copy Storage Studio watches when it isn't.
If you'd rather have a separate copy on your Mac that isn't linked to the drive, use Save a copy… (⌘D).