You can allow or block Microsoft Edge from opening PDF files externally by changing some settings using Registry Editor or Group Policy Editor in Windows 11/10.

Fix Adobe Acrobat Reader could not open PDF because it is either not a supported file type or because the file has been damaged error on PC.

Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.

I am not sure why but people treat PDF differently than image files so I don't think there are very many that work for quickly viewing PDF *and* image files but you can certainly use something ...

Microsoft has released an optional out-of-band update for all supported Windows 10 versions to address an issue preventing customers from opening PDF documents using some applications.

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.

If you keep Chrome up-to-date without changing any settings, any PDF you download may open within the web browser by default.

I use PDF Exchange Viewer for opening pdf's. Problem in Firefox is that clicking a link that should open the pdf in the viewer returns an error message from the viewer software.