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Why? Because PNG is a lossless raster image format developed for the web, and ultimately for display screens which are RGB. However the format was never intended or designed to be a print format, and therefore doesn't need to support CMYK colour, and so it's entirely the wrong format to use for CMYK printing - i.e printing where separations are required ...


Broadly speaking there are two schools of thought on file-format design. One is that you should have lots of options to give lots of different users what they want. The problem with this approach is that compatibility becomes a problem. Just because a program advertises support for tiff files doesn't mean it can open your particular tiff file. The other is ...


Simply, the PNG format has no support for any other color mode than RGB. There is no way around this. Use TIFF


You can switch off anti-aliasing when you export as PNG. Here's an example


If you are using an older version of PS (prior to CC2015), here's an easy workaround, wihtout the need to install external scripts: Do the following steps and save them as an action. Optionally bind it to an F-key for a faster workflow: Select the layers you want to export Right-click and select Duplicate layers... Under Destination set New as the ...


Raster data such as "png content" is not clipped or removed in the "skeleton" of an Illustrator file. Raster content may be visually clipped for the preview. However, in outline mode, when viewing the construction of the file or its skeleton, raster bounding boxes, which are always a rectangles, will be visible. If you wish outline mode to precisely match ...


Look at it this way: PNG was developed as a replacement for GIF and so generally to be used in digital work, which means RGB (screens use RGB). And yes PNG is limited to RGB. While CMYK is a print-specific model available in JPG**, TIFF, PSD and some other formats. Read:


I don't see how anyone could come up with a solution to this. Even if you export in black and white, this may still be a huge file, as PNG is not a practical format at this file size. I'd look at ways to break up the artwork into numbered tiles. Every game, every brochure, every product catalogue, every magazine, etc in the world is made up of pieces which ...

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