.AI – Adobe Illustrator. Convert all fonts to outlines and embed any linked graphics.
.INDD – Adobe InDesign. Converting your fonts to outlines is recommended if you are not using True Type
.JPG or .JPEG – Photographic images. Set your camera to the highest resolution if using your own photos. Note that most jpeg images downloaded from the web are low quality and unsuitable for printing.Fonts (.TTF). Package your files to include your fonts and links. Compress the packaged folder (.zip or .sit) before sending.
.PSD – Adobe Photoshop. Flatten your layers before submitting your files.
.TIF or .TIFF – This graphic file format will retain the highest possible image quality.
Do you need your piece printed in color? Files that contain color text, artwork, or images must be saved in four color “CMYK” (Cyan, Magenta, Yellow, Black) color mode. Files submitted in the RGB or with Pantone colors will need to be converted to CMYK. Note that converting RGB to CMYK may cause color shifts as they are not from the same color spectrum.
(Note: in certain applications a spot color ink can be used for Pantone matching)
Are you using vector-based software such Adobe Illustrator or Adobe InDesign? For vector files such as these all text should be converted to outlines before creating the file (preferably PDF) for production.
Are you using a bitmap-based (a.k.a. raster) software application such as Adobe Photoshop? For bitmap files such as these, simply flatten the image. Avoid font sizes smaller than 8 pts or fonts that are very narrow as these may not print well, will lack crispness, or may not display well against dark backgrounds.
While your computer screen can display low resolution images well, when printed they will look pixelated, blurry or jagged. For best printing results, a resolution of at least 300 dpi is recommended. Files with a resolution lower than 300 dpi can be printed, but the results may be unsatisfactory.