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7 versions
Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
Version 1.5.1
IMPORTANT NOTE for users upgrading from versions prior to the 1.5.0 release: due to an issue in the Thunderbird installer please uninstall the old version of the extension and restart Thunderbird before installing the new version.
To create your own collections, you must have a Mozilla Add-ons account.