Backup (disambiguation)
Backup is the computing function of making copies of data to enable recovery from data loss.
Backup may also refer to:

Information technology
Backup (backup software), Apple Mac software
Backup and Restore, Windows software
Backup software, the software that performs this function
List of backup software, specific software packages, loosely categorized
Backup site, part of a disaster recovery plan

Electrical power facilities
Battery backup, the use of batteries to continue operation of electrical devices in the absence of utility electric power
Backup battery, similar to above
Backup generator, the use of a generator to achieve a similar purpose

Music
Backup band, a band who plays music in support of a lead musician
Backing vocalist, one who sings in harmony with a "lead vocalist"
"Back Up" (Danity Kane song), 2006
"Back Up" (Pitbull song), 2004
"Back Up" (Dej Loaf song), feat. Big Sean, 2015
"Back Up" (Snoop Dogg song), 2015
"Back Up", a song by Yeat from Afterlyfe, 2023

Motor vehicle
Backup camera, a camera on the rear of a vehicle, used while moving backwards
Back-up collision, a type of car accident
Backing up, driving a vehicle in reverse gear

Others
Back-up goaltender, an ice hockey team's second-string goaltender
Backup (TV series), a BBC series about a police Operational Support Unit
Backup, a 2009 video game by Gregory Weir
Backup, in sports, a substitute player for a player in the starting lineup

See also
All pages with titles beginning with Backup
All pages with titles containing Backup