Open the file, enter the password, and re-save it as a new PDF. Whether on Windows, macOS, Android, or iOS, you can unlock ...

Not sure what an AI file is or how to open one? We explain why designers use this format, where it comes from, and the best ...

Do you have multiple PDFs you need to merge into one? Making one PDF out of many is easier than you might think on both Windows PCs and Macs. Here's how to do it on each platform.

There's PDF functionality built right into Finder as well. If you select multiple files and then Ctrl+click on the selection, you can pick Quick Actions and Create PDF to do just that (most common ...

You can convert PUB files to PDF using the Microsoft Publisher software itself or use the free online Publisher to PDF converter tool.

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.

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 ...

This article talks about the different reasons why a PDF file can be blurry and how to troubleshoot and fix the Blurry PDF file the right way.

If you need to edit PDF on iPhone in a hurry, you can do so without having to install any new app. Just use the native Files app. Let's show you how.

There are a few ways you can convert a PDF to Excel, including through Microsoft Office apps and Adobe Acrobat.