Download/backup
https://www.google.com/settings/takeout
Spreadsheets
- Auto range: insert the first rew numbers, mark region and drag to extend
Freeze Rows
- Go to the View menu.
- Then, point your mouse to Freeze rows… or Freeze columns….
- Select the No frozen rows or No frozen columns option. When you scroll, you'll notice that there are no frozen row(s) or column(s).