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Last updated on Dec 10, 2024

Learn which file types you can fill and sign using Acrobat on the web.

Supported file types and file extensions

File types

Supported file extensions

PDF

Adobe Fill & Sign supports most PDFs, but not the following:

  • Secured PDFs: Uploading these will result in an error message about editing restrictions.
  • LiveCycle Designer Forms: Dynamic XFA PDFs will show an error message indicating they are not supported.

Microsoft Word

.doc, .docx

Microsoft Excel

.xls, .xlsx

Microsoft PowerPoint

.ppt, .pptx

Image file formats

.gif, .jpg, .png, .tif,

Rich Text Format

.rtf

Text file

.txt, .odt

Fill & Sign form format

.form

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