SecureZIP Express is a freeware edition of SecureZIP developed by inventor of .ZIP format, PKWare. Previously, a free full version license of SecureZIP is giving away by PKWare for the freeware, but the free achieving and encryption software has been renamed as SecureZIP Express to differentiate it from paid version of SecureZIP and PKZIP.

SecureZIP Express supports the following features:

  • ZIP and UnZIP files.
  • Encrypt and decrypt files to protect the files stored or sent.

SecureZIP Express does not support email or Office integration as featured in paid version, so SecureZIP Express should not be installed over an existing version of SecureZIP or PKZIP.

Download SecureZIP Express from or direct download the setup installer, sz122021r2enfc.exe.

After installing SecureZIP Express and digital certificate, user can play Decrypt and Drive Contest to win great prizes including a Honda scooter, Wii game systems with Mario Kart, bicycles and gas cards worth $12,000 by decrypting game play messages with SecureZIP at