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由 ___ ___ 发表于 March 24, 2011 · 永久链接

I just upgraded to FF4 but couldn't find the Gmail Manager interface (normally at the lower right corner of the window). This is because Firefox 4 loaded with the so-called "Add-on Bar" disabled.

The solution is to enable it in the menu Firefox -> Options -> Add-on Bar (or Ctrl - / key).