Files that contain the .ps file extension are image files that have been saved in the Adobe PostScript language. These files can contain images, text or a combination thereof.
The PS images can be printed directly by a raster image processor without actually being opened in the application that it was designed in. This allows users to transmit image files to one another, even if the recipient does not have the actual application that the original file was created in.
The PostScript file format has become less popular and is being replaced by the PDF file format, which was also created by Adobe.
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If you have additional information about the PS file format or software that uses files with the PS suffix, please do get in touch - we would love hearing from you.