Prevent Internet Explorer from Opening PDF Files

Prevent IE from opening PDF files within an IE window. Enable it to propt you to save or open the file separately instead.

1. Click START–>RUN and type REGEDIT

2. Click the plus sign next to HKEY_CLASSES_ROOT
then AcroPDF.PDF.1


3. On the right side, double-click the EditFlags value.

4. Set it to 00 00 00 00

5. Click the plus sign next to HKEY_CLASSES_ROOT
then AcroExch.Document.7

6. On the right side, double-click the EditFlags value.

7. Set it to 00 00 00 00

Now when you click on a PDF file within Internet Explorer, you will be promted to save the file instead of IE opening it.