Command-line program for Windows, that packs individual plain text e-mail files (including all attachments) into mbox files. Versatile, reliable and fast. Can collect e-mail files recursively from subdirectories. It locks the mbox files while it writes to them, so that other programs cant alter them at the same time. Furthermore, this application can create mbox files up to a size of 2 GiB. This version is the first release on CNET Download.com.