Adobe Acrobat XI - Manual (Page 75)

68
Workspace
Last updated 1/14/2015
For more information, see the Google Chrome help topic Plug-ins.
Mozilla Firefox
1 Choose Tools > Add-ons.
2 In the Add-ons Manager window, click the Plugins tab, then select the Acrobat or Reader plugin.
3 Click the Enable or Disable button (it toggles depending on the status of the selected add-on):
Enable sets plugin to open PDFs in the browser.
Disable turns off the plugin so it does not open PDFs in the browser.