Free yourself from email size limits and deliver large files safely! Courier integrates seamlessly with your email system to automatically zip and encrypt outgoing attachments as you work. Simply write an email, attach as many files as you need, and click Send—Courier will take care of the rest! Files still too big? Courier will automatically send them via the ZipShare web service (up to 5GB per message).
WinZip Courier 12 requires 32-bit or 64-bit versions of Windows 11, Windows 10, Windows 8, or Windows 7
Minimum .NET version: 4.0
Courier integrates seamlessly with any of the following email applications and webmail:
Courier works with the webmail listed above when used with the following browsers (32-bit or 64-bit versions):
Cloud Services require Internet Access
These requirements only apply to the computer system where WinZip Courier is installed. Recipients of your email attachments can use any email program to read your email; however, to open and extract the attached Zip files, your recipients may need file compression software such as WinZip Standard or WinZip Pro.
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Attention Registered Users: WinZip Courier 12 is a free upgrade for customers with a valid Upgrade Assurance or Software Maintenance plan. Don't have maintenance? No worries. Existing customers save big when upgrading to WinZip Courier 12! Upgrade from any previous version of WinZip Courier and save 50% off the regular list price. Visit the WinZip Courier Upgrade Information page for details.