![The "Applications" tab disappeared from the Options box. I can't set what to do with extensions, such as open instead of save. Please help. | Firefox Support Forum | Mozilla Support The "Applications" tab disappeared from the Options box. I can't set what to do with extensions, such as open instead of save. Please help. | Firefox Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2017-10-23-12-52-54-5716c5.png)
The "Applications" tab disappeared from the Options box. I can't set what to do with extensions, such as open instead of save. Please help. | Firefox Support Forum | Mozilla Support
![Mozilla Foundation PortableApps.com Portable application Firefox Portable Computer Software, firefox, angle, windows, computer Program png | PNGWing Mozilla Foundation PortableApps.com Portable application Firefox Portable Computer Software, firefox, angle, windows, computer Program png | PNGWing](https://w7.pngwing.com/pngs/470/52/png-transparent-mozilla-foundation-portableapps-com-portable-application-firefox-portable-computer-software-firefox-angle-windows-computer-program-thumbnail.png)
Mozilla Foundation PortableApps.com Portable application Firefox Portable Computer Software, firefox, angle, windows, computer Program png | PNGWing
![Download Firefox Portable Offline Installer Latest Version for PC | Private browsing mode, Best android, Android hacks Download Firefox Portable Offline Installer Latest Version for PC | Private browsing mode, Best android, Android hacks](https://i.pinimg.com/736x/81/52/32/815232a23c75392e1952e1123b5cdb04.jpg)
Download Firefox Portable Offline Installer Latest Version for PC | Private browsing mode, Best android, Android hacks
![Firefox 52 introduces WebAssembly, adds warnings for non-HTTPS sites, drops plugins, and more | TechSpot Firefox 52 introduces WebAssembly, adds warnings for non-HTTPS sites, drops plugins, and more | TechSpot](https://static.techspot.com/images2/news/bigimage/2017/03/2017-03-08-image-5.jpg)
Firefox 52 introduces WebAssembly, adds warnings for non-HTTPS sites, drops plugins, and more | TechSpot
![windows 10 - change default windows browser to a portable app application, Firefox or Chrome - Super User windows 10 - change default windows browser to a portable app application, Firefox or Chrome - Super User](https://i.stack.imgur.com/nfHjt.png)