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USCIS Online Filing Evidence document upload

Official requirement

Add each required file. Conditional files are marked optional.

Requirement verified August 21, 2026 · Source: USCIS — Tips for filing forms online

Upload your files

Documents this application needs

Supporting evidence file

PDF/JPG · ≤12000 KB

Additional evidence file

Only if it applies to youPDF/JPG · ≤12000 KB

0/1 files ready

Sources disagree on this

  • Megabyte interpretation

    USCIS says files "must not be larger than 12MB" without defining MB; a binary reading allows ~12.58 million bytes.

    How we handle it: UploadPrep targets 12,000,000 bytes, the stricter decimal reading, so the file passes either way.

  • Accepted format subset

    The tips page also accepts TIF/TIFF for some forms, which this editor does not produce.

    How we handle it: UploadPrep prepares PDF or JPEG, both universally accepted by myUSCIS.