When you type the read command in the Interactive Optimizer, ILOG CPLEX displays the following prompt about file formats on the screen:

File Type Options:

bas          INSERT format basis file
lp           LP format problem file
min          DIMACS min-cost network-flow format file
mps          MPS format problem file
mst          MIP start file
net          CPLEX Network-flow format file
ord          Integer priority order file
qp           Quadratic coefficient matrix file
sav          Binary matrix and basis file
sos          Special ordered sets file
tre          Branch-and-bound treesave file
vec          Vector solution format file

File Type Options: