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How to export add-ons

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  • Last reply by FredMcD

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Dear Expert,

This is Rudy, I just installed a new win7 64 bit image on a VM and using firefox v38. I had problem with sync some of add-ons from my laptop to VM. So I want to export the add-ons and install manually.

Which add-ons failed to sync: 1/ Java(TM) Platform SE 7 U76 10.75.2.34 2/ Java Deployment Toolkit 7.0.760.34 10.76.2.34

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Those are plugins. You need to install their programs.

There are two types of Add-ons. There are the Add-ons that you find and install. And there are also Plugins. These are from other programs that are on your system when Firefox starts. Like video players, anti-virus, and many more. You can disable normal Add-ons by going to the Add-ons Manager,

Note: Java Deployment Toolkit is on the banned list for security issues.

Java Downloads for All Operating Systems


Make sure your Java (Not JavaScript) is up to date Verify Java and Find Out-of-Date Versions {web link}

Version 8 Update 65 Release date October 20, 2015


As to your original question, open your Firefox user profile, and copy all XPI files, or just the ones you need.