1toX - Version 2.57 1toX is a handy file splitter/zipper/emailer.Select file, files, folders from the Explorer or the interface.Any size, zip files before splitting, adds a crc checksum, scans for free space, protect with a password, produces batch, exe (28 kb overhead), formats disks, supports drag & drop, can rebuild pieces made by another softwares, upload with ftp...1toX can also be called by another program.