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Firefox 33 Extension for All Users

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  • 1 has this problem
  • Last reply by jscher2000

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How can I make an extension available for all users using Firefox 33? I have the .xpi and extracted it if need be?

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Why Firefox 33? The current version is Firefox 40 and in a few weeks, it will be Firefox 41. Do you know a lot of people still using Firefox 33?

(That's a bad idea for security reasons, since Mozilla discloses security flaws after each new release.)