Enterprising Software

If you want to pay more, that's your business.
If you want to pay less, that's our business.

InterSession 3270 Session Manager v7.2

The transparent replacement for CA-TPX, TELEVIEW & SOLVE ACCESS.

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Upgrade your mainframe
compression game and save big!

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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.

Enterprising Software
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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.

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