Rated 4 out of 5 stars

Very powerful, you need to review the available options. Annoyingly, the most important feature for me, which is to be able to select in each case which of the duplicate messages to preserve, it doesn't work (Win 10) but gives a javascript alert instead, e.g. "Author: "Amazon.ca" <[email protected]>nSubject: Save $10 When You Shop Early at Amazon.canMessage URI: mailbox-message://nobody@Local%20Folders/To-Be-Checked/2004#123836379nFolder URI: mailbox://nobody@Local%20Folders/To-Be-Checked/2004nMessage format: mailbox-message"