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variants:
or less commonly datafile \ ˈdā-tə-ˌfī(-ə)l 
, ˈda- also ˈdä- \
, ˈda- also ˈdä- \ plural data files also datafiles
Definition of data file
: a digital file on which data is stored
Call a professional and check your system before trying to insert that recovery disk. If the disk is readable, your important data files can be copied before any reinstalling activity starts.— George Cox
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Time Traveler for data file
The first known use of data file was in 1955
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