You can combine multiple PDF files into a single, easy-to-share document using simple software on your Mac computer or Windows PC. Here's how.

Finding it difficult to store or share large PDFs on your Mac? Check out a few easy ways to reduce PDF file size on a Mac to make it easier to work with.

How to reduce PDF file size on a Mac computer with Preview 1. Open the PDF — if Preview isn't your default app, right click the PDF, then select Open with followed by Preview.

There's no need for a paid Adobe Acrobat subscription. These built-in and free tools let you merge PDF files quickly.