I have just installed W7 RC and have encountered the following problem with (or feature of) Windows Live Mail. Sorry for the long post that I need to explain this.
My production setup is XP using Outlook Express as an IMAP client. With OE, I can drag email .EML files to Explorer folders...
date modified
date stamp
email archiving
email management
eml files
feedback
file synchronization
folders
imap
outlook
software features
thunderbird
vistabehavior
windows 7
windows live mail