Following is the extension of the sas bakup file
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sas7svew
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sas7bods
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sas7sbak
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sas7bitm
C
Correct answer
Explanation
SAS backup files use the .sas7sbak extension. SAS data sets use .sas7bdat, catalogs use .sas7bcat, and other SAS files have specific extensions like .sas7svew (view), .sas7bods (ODS), .sas7bitm (item store). Only .sas7sbak is the backup format.