An EPS file is a vector file format that stands for Encapsulated PostScript. It was created by Adobe in 1992 and is widely used in professional printing. EPS files are made up of mathematical data that determines how the image will look in a thumbnail preview. They are self-contained, reasonably predictable, PostScript documents that describe an image or drawing and can be placed within another PostScript document. EPS files are commonly used in print and digital media, and they are ideal for high-resolution advertising, marketing, and brand collateral.

Here are some key things to know about EPS files:

• EPS files are vector files, which means they use a mathematical equation to store the information of each pixel in an image individually.
• EPS files are often required for professional and high-quality image printing.
• EPS files are widely used by publishers because of their compatibility across different operating systems.
• EPS files can be opened and edited with Adobe Illustrator, but there are also many free software options available.
• EPS files include a low-resolution preview of the graphics inside, which makes them accessible with programs not capable of editing the script inside.
• Once you save a file as an EPS, you can no longer edit it.
• EPS files are still useful as a legacy format compatible with some software and with modern printers.

In summary, EPS files are vector files used for high-quality image printing and are widely used in professional printing and digital media. They are self-contained, reasonably predictable, PostScript documents that describe an image or drawing and can be placed within another PostScript document. EPS files are still useful as a legacy format compatible with some software and with modern printers.