How to Change Settings to Open a PDF File. A Portable Document File is a type of file that uses an open standard across different computer platforms and programs. Organizations often use PDF files ...

How to Open a PDF File With Yahoo Mail. The Portable Document Format makes it possible for you to open and view documents, no matter what operating system, software or computer you have.

Google Chrome for Android can finally open PDF files on its own without needing a third-party app, and you can try this feature now.

If you are sure that the .dat file is PDF and want to open it as a PDF, right-click on the .dat file and select Open with. Then, you will see the list of programs to open with.

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.