| Subject | English | Chinese Taiwan |
| comp., MS | backup battery | 備用電池 (An additional battery source available in Windows Mobile powered devices. It avoids data loss if the primary battery loses power) |
| comp., MS | backup copy | 備份副本 (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| comp., MS | backup designated router | 備份指定路由器 (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 | 備份裝置 (A tape or disk drive containing a backup medium) |
| comp., MS | backup domain controller | 備份網域控制站 (A domain controller (DC) that receives a copy of the domain directory database from the primary domain controller (PDC). There is only one PDC or PDC emulator in a domain and the rest are backup domain controllers) |
| comp., MS | backup file | 備份檔案 (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files) |
| comp., MS | backup media pool | 備份媒體集區 (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 | 備份媒體 (Disk file or tape used to hold one or more backups) |
| comp., MS | Backup Operators group | 備份操作員群組 (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., MS | Backup Recovery Migration tool | 備份復原移轉工具 (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 | 備份組 (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 | 備份組目錄 (A summary of the files and folders that have been saved in a backup set) |
| comp., MS | backup shadow copy | 備份陰影複製 (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 | 備份快照集 (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 snapshot | 備份快照 (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 | 預扣稅 (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) |