If you use Stack, you need to export your PDFs by September. We tell you how. If you use Stack, you need to export your PDFs by September. We tell you how. is a reviews editor who manages how-tos and ...

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, ...

PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...