English ⇄ Lithuanian

backup ['bækʌp] n
comp., MS	atsarginė kopija (A duplicate of a program, a disk, or data, made either for archiving purposes or for safeguarding files)
IT, dat.proc.	atsarginė kopija
nat.sc., mech.eng.	atsarga
English thesaurus
backup ['bækʌp] abbr.
abbr., mil., WMD	back.
IT	Files, equipment, data and procedures available for use in the event of a failure or loss, if the originals are destroyed or out of service
Backup ['bækʌp] abbr.
abbr., file.ext.	.bak (file name extension); .bk! (file name extension, WordPerfect); .xlk (file name extension, Microsoft-Excel)

backup: 17 phrases in 2 subjects

Information technology	1
Microsoft	16