No, the Graduate School does not accept any paper documentation, and they will not be added to your online application. Anything relevant to your admissions file needs to be uploaded to the online application upon submission. Therefore, please not not send copies of passports, hard copies of all/any documents already uploaded in the application portal (statement of purpose and other writing samples, hard copy of letters of recommendation, resume/CV etc) , bank statements, affidavits of support, or certificates of any kind. They will be immediately shredded and discarded. Your application is complete with an electronic upload of these documents.
Please check with the department or program to which you are applying.
The requirement for a writing sample varies by program. If a writing sample is required, you must submit your writing sample electronically. Writing samples can be no larger than 4MB.