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Microsoft Office

DDSign Office add-in

Sign and send documents directly from Microsoft Word, Excel, Outlook and PowerPoint — without leaving Office.

Web, Mac, Windows & iPad No legacy COM/VSTO
Contract_2026.docx — Word
DDSIGN

YOUR SIGNATURE

From the task pane

CLIENT SIGNATURE

Notified via Outlook

J M +2
Setup

How the add-in works

01

Install the add-in

Add DDSign from Microsoft AppSource, or upload the manifest once.

02

Open in Office

Open your document in Word, Excel or Outlook and launch DDSign.

03

Sign & send

Sign instantly and send to others without leaving Office.

Compatibility

Supported Microsoft apps

Install

Install the DDSign Office add-in

Install from AppSource for the whole tenant, or side-load the manifest to try it yourself.

DDSign uses modern Office Add-ins (not legacy COM/VSTO) and works on Web, Mac, Windows and iPad.