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.

If you no longer need to password protect a PDF you created, removing the password can be a bit of a pain. Here are some simple ways to get rid of it.

It's easy to download a PDF document on an iPhone and save it to an app like Apple Books or iCloud Files. Here's how to do it.

In iOS, Apple's stock Files app is a handy place for keeping PDF documents on your iPhone or iPad. Not only can you view and organize your documents in the Files app, but it also provides you with ...

You're able to build PDFs in the Preview tool too: As long as you have a PDF open in Preview, you can drag any file type into the table of contents sidebar on the left to add it as an extra page.

How to Use DRM Encrypted PDF Files on a Kindle. Your Kindle device can be a more productive way to work on your documents for reading and annotation. Even documents encrypted with DRM technology ...

It's easy to see a PDF is attached to this e-mail. Screenshot by Jason Cipriani/CNET Once the extension is installed, the paperclip icon is changed to a thumbnail representing the file type attached.

Japan's computer emergency response team (JPCERT) is sharing a new 'MalDoc in PDF' attack detected in July 2023 that bypasses detection by embedding malicious Word files into PDFs.