Forbes contributors publish independent expert analyses and insights. I write about fitness, health and wearable tech Zip files are incredibly useful for sharing data over email, cloud storage and on ...

You can send a zip file in Gmail if you want to send a large file or folder to someone without using Google Drive. Gmail has a hard 25 MB limit for sending attachments over email, and if you try to ...

Are you trying to open a password-protected PDF or ZIP file? Then, you already know how frustrating it can be. You try out different tools, and the result is a ...

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, ...

If you ever find yourself with the need to combine several PDFs into one single file, you may be immediately frustrated: It's not immediately obvious how to achieve what you're trying to do. Luckily, ...