| Subject | English | Polish |
| bank. | backup contingency payment | zapasowa płatność awaryjna |
| comp., MS | backup copy | kopia zapasowa (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| comp., MS | backup designated router | router przypisany do wykonywania kopii zapasowych (An OSPF router that forms adjacencies with all other routers on a multiple access network and becomes the designated router when the designated router becomes unavailable) |
| comp., MS | backup device | urządzenie kopii zapasowej (A tape or disk drive containing a backup medium) |
| comp., MS | backup file | plik kopii zapasowej (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| light. | backup light | światło cofania |
| bank. | backup lump sum payment | kwota zagregowana |
| comp., MS | backup media pool | pula nośników kopii zapasowych (A logical collection of data-storage media that has been reserved for use by Microsoft Windows Backup. Backup uses Removable Storage to control access to specific media within a library) |
| comp., MS | backup medium | nośnik kopii zapasowych (Disk file or tape used to hold one or more backups) |
| comp., MS | Backup Operators group | grupa Operatorzy kopii zapasowych (A type of local or global group that contains the user rights you need to back up and restore files and folders. Members of the Backup Operators group can back up and restore files and folders regardless of ownership, permissions, encryption, or auditing settings) |
| IT | backup procedure | procedura awaryjna |
| el., sec.sys. | backup protection | zabezpieczenie rezerwowe |
| comp., MS | Backup Recovery Migration tool | narzędzie migracji odzyskiwania kopii zapasowych (A command line utility that is used to backup and restore print configuration and items (print queues, drivers, print processors, etc) during a print migration) |
| comp., MS | backup set | zestaw kopii zapasowych (A collection of files, folders, and other data that have been backed up and stored in a file or on one or more tapes) |
| comp., MS | backup set catalog | wykaz zestawu kopii zapasowych (A summary of the files and folders that have been saved in a backup set) |
| comp., MS | backup snapshot | migawka kopii zapasowej (A snapshot of a site's data, created by the Backup Configuration Manager Site Server task or by another backup utility. The backup snapshot is used during a site recovery process to restore the site's data) |
| comp., MS | backup withholding | potrącenie zaliczek podatkowych przez płatników (An IRS tax rule in the United States that requires notified payers to withhold a set percentage from payments made to payees who cannot be identified due to missing or incorrect taxpayer identification numbers on tax forms) |
| el., sec.sys. | circuit local backup protection | zabezpieczenie rezerwowe lokalne pola |
| el., sec.sys. | remote backup protection | zabezpieczenie rezerwowe zdalne |
| el., sec.sys. | substation local backup protection | zabezpieczenie rezerwowe lokalne rozdzielni |