I'd like a little more security in the backup routine I have for my data file. Presently, I backup to a zip drive plus wherever the program is putting those other copies it makes. Q1) What's the file extension for backups? I'd like to find those other locations.
I've noticed on my zip drive that I'm making full copies of my data file rather than overwriting or making addendums to it. I don't know which is best.
Q2) How do I structure a backup file so it takes the least amount of space?