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 Office updates 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.