TL:DR; CryptBox creates secure Safes, that can be used just like normal drives and which can be filled with your data.
Download CryptBox Shareware - Rating: 4.65
CryptoExpert 8 creates secure vaults that appears to applications like any other local drive. Any data that the user attempts to write to this drive is intercepted and encrypted by CryptoExpert. Drive is invisible without password.
Aloaha PDFCrypter seals your PDF with the public key of the recipient. Non PDF files are beeing compressed and PKCS#7 enveloped.No special decryption client needed. Adobe Reader 6 or 7 is enough.Seal PDF Documents secure!
Crypto4 Files allows you to securely delete (wipe), pack, unpack, sign, encrypt, verify signature and decrypt files using X.509 certificate right from Windows Explorer.