Break through email size limits with WinZipÂ® Courier 6. Easily secure and share large files, and prep files for sharing with PDF conversion, watermarking and more. Protect your privacy with built-in FIPS-197 certified 128- or 256-bit AES encryption. Share extra-large files via leading cloud services directly from your email or email links to files you have stored in the cloud. Connect with even more cloud services, including Box, OneDrive, Dropbox, Google Drive, CloudMe, SugarSync, MediaFire and WinZipâ€™s ZipShare service. For added productivity, zip and email documents, spreadsheets and presentations right from Microsoft Office 2013.