Export (.exp) files contain information about exported functions and data items. When LIB creates an import library, it also creates an .exp file. You use the .exp file when you link a program that ...
$ ccinput gaussian opt M062X -bs def2tzvp -f ethanol.xyz -n 8 --mem 32G %chk=calc.chk %nproc=8 %mem=32000MB #p opt M062X/Def2TZVP File created by ccinput 0 1 C -1.31970000 -0.64380000 0.00000000 H ...