All application materials should be submitted to the College Board IDOC (Institutional Documentation Service). AFTER the online submission of the CSS Profile, students will receive an email from College Board with instructions for IDOC, including their personalized IDOC ID#. IDOC accepts documents online via electronic upload or by mail.

IDOC will be available after October 1, 2017.

Please allow 5-8 business days for documents uploaded to IDOC to be received by Columbia University.

https://idoc.collegeboard.org/idoc/

Columbia does not accept documents via email. Application materials received after the deadline will be processed without penalty.