Documents you can upload

• U.S. passport (photo page) or passport card
  Name, date of birth, place of birth, sex, citizenship, passport number
• U.S. birth certificate
  Name, date of birth, city/country of birth, parents' names
• Naturalization or Citizenship certificate
  Citizenship basis, certificate number, date & place of naturalization
• Green Card (front & back)
  A-Number, card number, resident-since date, name, date of birth
• Social Security card
  Social Security number
• Driver's license or state ID
  Name, current address, date of birth
• A recent utility bill, lease, or bank statement
  Current mailing & physical address

• Foreign passport (photo page)
  Name, date of birth, sex, place of birth, nationality, passport number, issue & expiry dates
• Birth certificate
  Full name, date of birth, place of birth — plus parents' names, dates & places of birth
• National ID card
  National identification number, name, date of birth
• Any prior or additional passports
  Other nationalities and other names used

• Marriage certificate
  Date and place of marriage
• Divorce decree, annulment, or death certificate (any prior spouse)
  Prior-marriage name, how and when the marriage ended
• A joint lease, joint bank statement, or joint bill
  Last address you lived together and the dates

• I-94 Arrival/Departure record
  I-94 number, date & place of last entry, status, authorized-stay expiry
• Visa page in the passport
  Visa type and entry details
• EAD work card or prior USCIS notices (Form I-797)
  A-Number, receipt number, current status

• Most recent federal tax return or IRS tax transcript
  Total income, tax-household size, dependents
• W-2 or 1099 forms
  Annual wages and employer name
• Recent pay stubs
  Current employer, occupation, income
• Employer letter
  Job title, employer address, salary
• Bank statements
  Cash & savings balances (only if using assets)
• Property tax bill, deed, or brokerage statement
  Real-estate & investment values (optional, only if using assets)

• Old bills, leases, or bank statements
  Prior addresses with move-in and move-out dates
• Pay stubs, employer letters, or your résumé/CV
  Employer names & addresses, job titles, employment dates
• Diploma, degree, or transcript
  Highest education, school name & address, field & dates of study

A few answers don't come from any document and are simply entered in the questionnaire: race and ethnicity; height, weight, eye and hair color; the DS-260 security/background questions; and any social-media usernames.