| Subject | English | French |
| automat. | automatic backup and recovery | redémarrage automatique et restauration |
| el. | auxiliary backup heating | chauffage d'appoint |
| coal. | backup alarm | avertisseur de recul |
| comp., MS | backup battery | batterie de secours (An additional battery source available in Windows Mobile powered devices. It avoids data loss if the primary battery loses power) |
| comp. | backup battery | batterie de secours |
| avia., Canada | Backup Bridge | système de relève |
| transp. | backup cleat | cale d'épaulement |
| IT | backup computer | ordinateur en réserve |
| IT | backup computer | ordinateur de reprise |
| IT | backup configuration | sauvegarde de la configuration |
| comp. | backup copy | copie d'archives |
| comp., MS | backup copy | copie de sauvegarde (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| IT | backup copy | copie d'archivage |
| IT, el. | backup copy | copie de sécurité |
| IT, el. | backup copy | copie de sauvegarde |
| comp. | backup copy | copie de réserve |
| comp., MS | backup designated router | routeur désigné de secours (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. | backup device | appareil de secours |
| comp. | backup device | unité de sauvegarde |
| comp., MS | backup device | unité de sauvegarde (A tape or disk drive containing a backup medium) |
| comp. | backup device | unité de réserve |
| comp. | backup device | dispositif de réserve |
| avia., Canada, IT | backup domain controller | contrôleur de domaine secondaire |
| comp. | backup equipment | équipement de réserve |
| fin. | backup facility | mécanisme d'appui |
| mech.eng., el. | backup facility | source alternative |
| mech.eng., el. | backup facility | source de secours |
| IT | backup facility | capacité de sauvegarde |
| IT | backup facility | moyen de secours |
| IT | backup facility | installation de secours |
| fin. | backup facility | instrument financier d'appui |
| fin. | backup facility fee | commission de garantie d'achat |
| comp., MS | backup file | fichier de sauvegarde (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| IT | backup file | fichier de réserve |
| IT | backup file | backup |
| IT, tech. | backup file | fichier de secours |
| IT | backup file | fichier de sauvegarde |
| comp. | backup file | fichier doubleur |
| commun., IT | backup frequency | fréquence de secours |
| transp., el. | backup light | phare de recul |
| transp., el. | backup light | projecteur de recul |
| transp., el. | backup light | feu de recul |
| light. | backup light | feu de marche arrière |
| gen. | backup line | ligne de substitution |
| gen. | backup line | lance en attente |
| UN, econ. | backup lines for services such as steam and water | canalisations de secours |
| comp., MS | backup media pool | banque virtuelle de médias de sauvegarde (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 | support de sauvegarde (Disk file or tape used to hold one or more backups) |
| ed., IT | backup medium | moyen de secours |
| IT | backup memory | mémoire de secours |
| comp. | backup memory | mémoire supplémentaire |
| comp. | backup memory | mémoire additionnelle |
| comp. | backup memory | mémoire externe |
| avia., Canada | Backup Node System | Système de nœuds de secours |
| comp., MS | Backup Operators group | groupe Opérateurs de sauvegarde (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) |
| comp. | backup plan | plan de sauvegarde |
| el. | backup power | énergie de réserve |
| el. | backup power | alimentation de secours |
| energ.ind., el. | backup power supply | alimentation électrique de secours |
| energ.ind., el. | backup power supply | alimentation de secours |
| UN, econ. | backup power systems | systèmes d'alimentation électrique de secours |
| IT | backup procedure | procédure de sauvegarde |
| IT | backup procedure | procédure de secours |
| IT | backup procedure | procédure de conservation des données |
| IT | backup procedures | procédure de conservation des données |
| IT | backup program | programme de sauvegarde |
| IT | backup program | logiciel de sauvegarde |
| el., sec.sys. | backup protection | protection de secours |
| commun., transp. | backup satellite | satellite de réserve |
| IT | backup server machine operating in server mode | machine backup serveur travaillant en mode serveur |
| comp., MS | backup set | jeu de sauvegarde (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 shadow copy | cliché instantané de sauvegarde (A shadow copy of a replica created by the DpmBackup command-line tool. In DPM, backup shadow copies are used to archive replicas to tape) |
| comp., MS | backup snapshot | instantané de sauvegarde (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) |
| IT | backup software | logiciel de sauvegarde |
| IT | backup software | programme de sauvegarde |
| commun. | backup supervisor | superviseur dormant |
| commun. | backup supervisor | superviseur de secours |
| IT | backup system | système de réserve de secours |
| IT | backup system | système de sauvegarde |
| IT | backup system | système de secours |
| IT | backup system | système auxiliaire |
| comp. | backup system | système de réserve |
| comp., MS, Canada | backup technician | technicien d'appoint (The technician assigned as the backup for the current technician) |
| IT | backup the Reference Diskette | sauvegarde de la disquette de lancement |
| comp. | backup track | piste interchangeable |
| comp. | backup track | piste alternative |
| IT | backup transmission system | système de rechange |
| fin. | backup underwriting facility | mécanisme de garantie d'achat |
| coal. | backup warning | avertisseur de recul |
| mun.plan., construct. | backup washer | rondelle de retenue |
| comp., MS | backup withholding | retenue d'impôt de réserve (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) |
| avia., Canada | Bypass Backup Bridge | BUB de dérivation |
| avia., Canada | Bypass Backup Bridge | système de relève de dérivation |
| el., sec.sys. | circuit local backup protection | protection de secours locale de cellule |
| UN, econ. | emergency backup provisions | dispositifs de secours en cas d'urgence |
| IT, dat.proc. | file backup and recovery | sauvegarde et récupération des fichiers |
| avia., Canada | Line Backup Bridge | système de relève de ligne |
| avia., Canada, tech. | OIDS-R backup design | conception du système de relève de l’OIDS-R |
| IT | operational backup site | site opérationnel de secours |
| avia., Canada | Radio Backup Bridge | système de relève radio |
| el., sec.sys. | remote backup protection | protection de secours éloignée |
| el., sec.sys. | substation local backup protection | protection de secours locale de poste |
| IT | tape backup unit | unité de sauvegarde sur bande |