Can you specify what you mean by "file"? Project, program, data set/table....?
EG Projects is not transferable.
The genereated code (.sas) from a project can be imported into DI Studio.
http://documentation.sas.com/?docsetId=etlug&docsetTarget=p1smeibb1wicyyn16nohq5kzm5q0.htm&docsetVer...
Tables that are registered in meta data is available for DI Studio.
Data never sleeps