Select “Forms – Manage Workspace settings” option in Admin menu.Users have an additional flexibility to import data from an XML without having to key in all information manually. This will ease user input of heavy and voluminous data entry within the AppBuilder form. Import form XML icon is available while creating ORI message and not available in Edit ORI, RES or FWD message creation.
Steps to use this functionality are:
Select “Forms – Manage Workspace settings” option in Admin menu.
Select “Enable
XML / XLS file Import, Email-In” option and mark it as YES.
Click on Submit
to save the settings. Enabling
this form setting, user will let the user import data from
XML files
Click on import XML file icon 
Click on Browse” button to select the XML
file that has the information already inputted
Once the XML file is selected, “Import”
button will be displayed
Click on "Import"
to populate information as specified in the XML
file.
Exceptions:
The import may result in a system message which could possibly be due to the following reasons:
There is no XSLT file associated with this Form Type. Contact your Workspace Administrator to resolve the issue.
The XSLT is invalid. Contact your Workspace Administrator to resolve the issue.
The selected XML file is invalid. Update the XML file and try to import it again.
Useful Links:
Manage Form Settings within Workspace
Cross Workspace Linking of Forms
Import XSL file to the form on creation