PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
Downloads: 37447 - Shareware - Download Now
Attach any file to your existing PDF document.
Downloads: 63067 - Freeware - Download Now
SysTools Split PST software is one of the tested and trusted software to split large PST file into smaller parts.
Downloads: 879 - Shareware - Download Now
Split any files directly onto hard/floppy/zip disk for Windows 98/Me/NT/2000/XP. For WAV file type, the split files can be play. It will format floppy disk upon your request. Convenient when you cannot put a compressed/zipped file into a floppy disk.
Downloads: 30813 - Shareware - Download Now
Merge PDF files into a single document. Split PDF into multiple files following a custom pattern similar to Word printing. Combine encrypted PDF with just a few clicks. Mix two PDF files.
Downloads: 60768 - Freeware - Download Now