How to save any file as a PDF

Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.
Popular Science

How to save any file to your phone so you have it when you need it

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. We’re all now comfortable with streaming everything from the cloud ...
Techno-Science.net

How to Reduce PDF File Size on Mac: 3 Easy Ways

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, ...
Macworld

How to recover unsaved Excel files on Mac in 4 ways

You’ve spent hours working on an Excel workbook on a MacBook, but now it’s gone. Or, when you exit an Excel file, you unintentionally select “Don’t Save”. Is this to say that your entire effort has ...