PDF Files will not open in Internet Explorer 1. Press Windows Key + R combination, type put Regedt32.exe in Run dialog box and hit Enter to open the Registry Editor.

How to Open a PDF With Reader & Internet Explorer. Adobe's portable document format (PDF) has become a standard for exchanging and distributing documents. PDF files look like the original document ...

Edge opens PDF files when you click a link to the document. Learn how to force Edge to save the file or open it with your choice app.

In case you're one of the people who's been trying to open a PDF via Internet Explorer 11 to no avail, fear not: Microsoft heard you and has addressed the problem with its KB5004760 update.