WinZip Courier 4.0 [Download] Zip and email documents, spreadsheets, and presentations without having to close your work or open any additional programs. Automatically zip large attachments into smaller, manageable packages that deliver faster and cause fewer issues. Files still too big? Courier can send up to 2GB per message via the ZipSend web service! Sharing large files doesnt have to be complicated! Don&#039t waste time configuring shared folders or learning new file delivery tools. Courier integrates seamlessly with your own email system so you can share files the way you always have. Sending confidential data? Password-protect outgoing email attachments with Courier&#039s powerful AES encryption. Courier also provides temp file wiping/shredding to ensure the security of attachments shared over email. Resize, zip, and email hundreds of image attachments in one simple step! This ensures that your photos and graphics are delivered faster and in a more convenient viewing size.