Would you like to AutoArchive your old items now? AutoArchive moves items that you haven't used in a long time to the archive ...

Would you like to AutoArchive your old items now?  AutoArchive moves items that you haven't used in a long time to the archive file <0w>. This is necessary to improve performance and to prevent your mailbox from growing too large. You can find archived items in the Archive Folders located in the folder list.