Forum Response - Choose another reader for PDF files

In order to change the default reader for PDF files (to not open PDF files with Firefox's internal PDF reader), follow these steps: #Go to ''Tools'' > ''Options'' (or ''Firefox'' > ''Options''). #In the Options window, select the ''Applications'' tab. #In the ''Search'' field, type ''PDF''. You should find ''Portable Document Format (PDF)''. #On the right handside you should find an ''Action'' column. Use that to select your favorite PDF reader. In order to view PDF files in Firefox, choose ''Preview in Firefox''.

In order to change the default reader for PDF files (to not open PDF files with Firefox's internal PDF reader), follow these steps:

1. Go to Tools > Options (or Firefox > Options).
2. In the Options window, select the Applications tab.
3. In the Search field, type PDF. You should find Portable Document Format (PDF).
4. On the right handside you should find an Action column. Use that to select your favorite PDF reader. In order to view PDF files in Firefox, choose Preview in Firefox.