Adobe Fill & Sign supports forms of the following file types:

  • PDF: Adobe Fill & Sign supports most PDFs. However, the following two types of PDFs are not supported at this point:
    • Secured PDFs - When uploading a secure PDF, you will see an error message that conveys that the PDF contains editing restrictions and is not supported.
    • Some LiveCycle Designer forms - For dynamic XFA PDFs created by LiveCycle, you will see an error message that conveys that Dynamic XFA is not supported.
  • Microsoft Office files: DOC, DOCX, XLS, XLSx, PPT, PPTX
  • Image files: JPG, PNG, GIF, TIF
  • Text files: TXT, RTF, ODT


You can upload a maximum of 100 files, and the size of each file must be 100 MB or less.

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