The Yousign electronic signature can be completed on any type of document in a PDF format.
Tip : If however, you have documents that are in a Microsoft Word or Excel format, it’s possible to export them into a PDF format.
For example with Microsoft Office 365*:
Click on "File".
Click on "Export" on the left menu
Click on "Create PDF / XPS" to save your document in PDF format.
Name and save your PDF document.
You can now import it into your Yousign! electronic signature application.