No matter your operating system, knowing how to combine PDF files is a good skill. We'll teach you the best ways to do so for Windows, macOS, or via the web.

PDF files created using the Ultimate PDF component are compatible with all versions of Adobe Acrobat as well, as is the free version of Acrobat Viewer from Adobe.

Reading PDFs on the iPad can be way better than what you get from Apple's Books app. These are the best apps to use for reading at PDF files on your iPad, or even your iPhone.

Files by Google is preparing some upgrades to its internal PDF viewer. Right now, the app’s PDF support is bare-bones, with external apps like Drive doing the heavy lifting. These upgrades will ...

The PDF++ plugin seems to be optimized for desktop use and doesn’t work on mobile screens. That said, I managed to get it working in the Obsidian app on my iPad, allowing me to manage and annotate ...

Compiling PDF files allows small business owners to combine multiple PDF files from several sources. This makes it easy to assemble PDF documents for distribution through email and websites ...

However, you can easily change your default PDF viewer to Adobe’s Acrobat Reader DC for files saved to your Windows PC. And, you can change your default PDF viewer for your browser by installing ...

Bring your multiple PDF files into a single folder. Select all your files, right-click a chosen file, and choose Show More Options > 7-Zip > Add to Archive. On the window that opens, click the "Enter ...

The Mail, Safari and iBooks apps preinstalled on the iPhone all allow you to view PDFs on your iPhone. The iBooks app offers the most dynamic set of controls for viewing PDFs, while the PDF viewer ...