Back Drive Flash Hard Sth Meaning Make Extra

Meaning: to make an extra copy of digital information on disc, flash drive, external hard drive, etc. in case the original data is lost

• back up sth How do you back up your computer files?
  
  
• back sth up I back most of my stuff up on one of those flash drive things.
  
  
• back up It's a good idea to back up at least once a month.
  
  

Nouns often used as objects with back up (1): files, data, hard drive, work