There is no charge for opening your electronic file, If adjustments need to be made art time will be billed at $50.00/hour. Disk must be accompanied with a hardcopy proof. We accept electronic art files created in either Mac or PC versions of the software listed below. When using PC files, save them in an EPS (vector format), AI (Adobe Illustrator), Corel Draw (.cdr), or Photoshop or tiff file at 300 dpi full size, for best results. If you are using an application not listed above, export your file to Illustrator format and convert all type to curves. Graphics (logos, photos) must be provided as an Encapsulated Postscript (EPS) file or as a Tagged Image File Format (Tiff). If you need to supply a lot of text information for a Inkjet or Vinyl job please provide us with a Rich Text Format file (.RTF) All Electronic Files must be accompanied by a hard copy proof to show color break, type, and layout. If e-mailed, send by mail or fax. Source.