PDF files contain both text and pictures and retain the same formatting on multiple different readers. PDF format requires a special reader, available for free from ...

Most of us take PDF files for granted. Years ago, Adobe created a universal file format with their Acrobat software that produced documents which could be opened on PCs, Mac and Unix/Linux computers.

Use Preview: Open the PDF in Preview, click File > Export, select “Reduce File Size” under Quartz Filter, and save. Use ColorSync Utility: Open the PDF in ColorSync Utility, click File > Export, ...

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Posts from this topic will be added to your daily email digest and your homepage feed. is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and ...