There are several factors that can cause this problem such as your computer having a different default PDF reader, poor internet connection, Chrome set to download PDF files instead of opening, or ...

In this post, we will show you how to make Edge open PDF files externally or block Edge from opening PDF files externally, depending on your preferences.

If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt your PDF files.

For maximum privacy and control, you need to self-host any available open-source PDF editors on your own server.