Coreldrawx4 files to JPEG

[vdeep]

Dear All, I wish to export crd files to jpeg ,a 16x5feet banner designed file size in cdr is 55kb,however its output in jpg @300dpi with Maintain aspect ratio CMYK32bit is 2.55Gb & at 72dpi file size becomes 150MB (these are very-2 heavy files) can u advise some solution,so I could get best Resulation at lighter jpg file size

[steve.ledger]

A 16x5 ft banner saved as a raster file will always be a very huge data size.

Can I ask why you want to convert a 16x5 ft Vector banner to such a large raster format?