User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; nl; rv:1.9.1.5) Gecko/20091204 Thunderbird/3.0 The archiving feature should move messages to different folders depending on the year each individual message was written in. Instead it moves all selected messages to the same folder, which is the one for the year of the top message. Reproducible: Always Steps to Reproduce: 1.Make sure mail.server.default.archive_granularity is set to 1 2.Select messages from different years 3.Click Archive button Actual Results: The archiving feature moves all selected messages to the same folder, which is the one for the year of the top message. Expected Results: The archiving feature should move all selected messages to different folders depending on the year each individual message was written in.

Hello, This is duplicate of bug 531829 that is fixed for 3.0.1 Kind Regards