Minutes not hours, hours not days!

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Ultra-Fast Alternative to FTP

Fast Internet Transport (FIT)™ is a file transfer acceleration technology developed by Data 21. It improves file transfer performance by overcoming latency and unstable connections when transferring files over long distances.

ZIP/390 MP High-Speed File Transfer is a lightweight ultra-fast alternative to FTP, SFTP, FTPS, and other speed challenged file transfer applications.

If your company is experiencing long running file transfers, complete this form to recieve email updates on the capabilities and availability of the FIT solution.


Technical Support is provided for customers on maintenance and companies actively evaluating a solution. The Data 21 Support Team is available to answer questions during regular business hours. Web support applications (Online Documentation, Emergency Keys, etc.) are available 24 hours, 7 days a week.

Product FAQ Documentation Download Key Request
ZIP/390 MP v6.9.9 (Multi-Platform) View View Download Request
ZIP/390 v6.7 View View Download Request
ZIP/VSE View View Download Request
InterSession View View Download Request
VTAM2Spool View View Download Request
Tools4CICS View View Download Request
IpServer View View Download Request
IpBridge/Connect View View Download Request
IpBridge/Host View View Download Request
IpBridge/Secure View View Download Request

Regular Hours | M-F 7am - 3pm PST

To open a support issue, Email your problem description and related information to If you are experiencing a Job failure, please include the Job (JCL and SYSIN Parameters) as well as the SYSPRINT output in the email body or as a ".txt" attachment. If you wish to speak to our tech support team by phone, please indicate that in the email along with a phone number and best time to call.

After Hours Emergency

For assistance with a production emergency after Data 21's Regular Hours, please start by sending email to Please include the Job (JCL and SYSIN Parameters) as well as the SYSPRINT output in the email body or as a ".txt." attachment. For support issues of an immediate critical nature, that cannot wait until the next business day, call 805-748-4489 after sending the email.

Product License Keys, Documentation and Downloads

Support Portal

Over 40 Years of Mainframe Solutions

About Data 21

Data 21 Inc. is a privately held veteran owned California Corporation. Since inception in 1980, our mission has been, and continues to be, delivering innovative, high quality, cost effective mainframe centric software solutions that empower Business' and enrich End-Users in the workplace. We pride ourselves on excellent product and customer support satisfaction ratings, and the fact that our products have become trusted integral daily production necessities at hundreds of mainframe installations around the world.