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Add extra features and styles to make Thunderbird your own.Close
for TB 5.0 Rated 5 out of 5 stars
Open the xpi file with 7zip, winrar or whatever you use. Edit the .rdf file and replace the 3.1* with 5.0*. Save it back to the xpi and install it. Works fine as far as I can tell.This review is for a previous version of the add-on (0.2.26).