What document types are supported?

You can use DocuSign to sign virtually any type of document: .doc, .docx, .pdf, .xls, .xlsx, .txt, and more. DocuSign works with your documents, and business systems you already use, including salesforce.com, Microsoft Office 365 (including Microsoft Outlook, Word, and SharePoint), Google Drive. DocuSign is also available for iOS, Android, and Windows devices.