為提升安全性Firefox 將預設禁用Java、Adobe Reader、Silverlight 插件
Install Missing Adobe Acrobat Extension in Firefox (Convert webpages to PDF)
How to Enable Adobe Acrobat Reader – Pennsylvania Association of Licensed Investigators
Configure browser to use the Adobe PDF plug-in to open online PDF files
How to install Adobe PDF Reader 8.1.1 with Plug-in for Mozilla Firefox in Gutsy Gibbon – Ubuntu Geek
Starting today, Firefox will not open Adobe Acrobat files in Adobe Reader, despite my putting Reader as default in Applications tab. | Firefox-ondersteuningsforum | Mozilla Support
Upgraded Acrobat Create PDF extension for Firefox | FAQ
How to Enable Adobe Acrobat Reader – Pennsylvania Association of Licensed Investigators
PDF display | patentGate manual
Adobe Reader Plugin? Check How to Download and Install it!
After installing Adobe Acrobat, can I revert to Preview for handling PDF from Firefox? - Ask Different
Starting today, Firefox will not open Adobe Acrobat files in Adobe Reader, despite my putting Reader as default in Applications tab. | Firefox-ondersteuningsforum | Mozilla Support
How to Enable Adobe Acrobat Reader – Pennsylvania Association of Licensed Investigators
![How to Disable Firefox's Built-in PDF Viewer [Updated]](https://techdows.com/wp-content/uploads/2012/07/firefox-native-pdf-viewer.png "How to Disable Firefox's Built-in PDF Viewer [Updated]")
How to Disable Firefox's Built-in PDF Viewer [Updated]
Install Missing Adobe Acrobat Extension in Firefox (Convert webpages to PDF)
Acrobat DC Extension Missing in Firefox - Adobe Support Community - 11210656
Why is Adobe PDF reader no longer usable or available with Firefox? | Firefox Support Forum | Mozilla Support
Adobe Reader browser plugin running on Firefox 64-bit (Fedora 20) – If Not True Then False
Install Missing Adobe Acrobat Extension in Firefox (Convert webpages to PDF)
Configure browser to use the Adobe PDF plug-in to open online PDF files
Can't change default app from Acrobat Reader DC to Acrobat - Windows 10 Forums
Włączanie wtyczki Create PDF w przeglądarce Mozilla Firefox, Adobe Acrobat
附加组件(Mozilla) - 维基百科，自由的百科全书
Włączanie wtyczki Create PDF w przeglądarce Mozilla Firefox, Adobe Acrobat
Firefox 11.0 Installed Acrobat plugin 10.1.3 today doesn't work (ok in Safari) Installed extension PDF viewer 0.2.537 can now view PDF in firefox | Firefox Support Forum | Mozilla Support
FAQ | Frequently Asked Questions | How do I view PDF files with Firefox 12 through 18?
