CU Home Help
Columbia University Information Technology
CUIT all of Columbia
 Service Alerts
 CUIT Service Catalog
 Get Help Now
 Manage My UNI
 Email
 CourseWorks
 Services Overview
 Network Overview
 Telecommunications
 Software
 Labs & Classrooms
 Printing
 Security
 Network Use Policy
 Copyright
 About CUIT
 CUIT Home


E-mail & Computing
3270 Terminal

Software > Terminal Software > Administrative Applications > 3270 Terminal

3270 Terminal is the type of connection that is used to access Columbia mainframe systems. This software is only necessary at Columbia if you access mainframes as part of your job.

Download and Installation
(Current faculty, staff, and students of Columbia University and its affiliates are eligible to download.)
  1. Download the installer (required UNI login):
     QWS3270 3.2 for Windows (300 KB)
     tn3270 for MacOS 9 (750 KB)
  2. Save the installer to your hard drive, and make a note of the folder that you saved it in.
  3. Run the installer.
  4. Follow the instructions that were given to you during mainframe training.
    5. Upgrading from a Previous Version
    • To upgrade, simply reinstall the program by following the download and installation instructions above.
    Columbia Documentation AIS Applications Homepage
    AIS ID Application
    Vendor Documentation tn3270 Homepage
askcuit.columbia.edu