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Add extra features and styles to make Firefox for Android your own.
CloseReview for Thunderbird Conversations by Silver
Rated 4 out of 5 stars
Otherwise a very good and nice add-on, but if I have multiple accounts with tens of thousands of e-mail then Thunderbird with this add-on gets slower and slower over time.
This review is for a previous version of the add-on (2.9.1).To create your own collections, you must have a Mozilla Add-ons account.