DocuSign for Outlook or Word Error: This app could not be started


When you try to use DocuSign for Outlook or DocuSign for Word, you see the error message:

App Error: This app could not be started. Close this dialog to ignore the problem or click "Restart" to try again.

DocuSign for Outlook Error
DocuSign for Word Error
This is a known issue that occurs if Protected Mode is not enabled for the Internet Sites Zone in Internet Explorer.


1. Download and install this Office 2013 update from Microsoft (

2. Add and to trusted sites list in Internet Explorer.

3. Enable Protected Mode for the Internet Site Zones.

From Internet Explorer click Tools > Internet Options, click the Security tab and select Enable Protected Mode. Click OK to save the change.

IE - Internet Options Enable Protected Mode

3. Restart Internet Explorer and then restart Outlook or Word.