Thanks for the details. I'll take a closer look. The documents of my app can get quite large, up to 300 to 400 MB (lots of small images). I was thinking to use

Thanks for the details. I'll take a closer look. The documents of my app can get quite large, up to 300 to 400 MB (lots of small images). I was thinking to use SQLite as an alternative to the ZIP based format that I'm using at the moment, hoping to avoid the working copy route that I use today, but looks like that would be tricky.