I am migrating SharePoint 2013 web application to SharePoint 2016 using content database backup/restore approach. I am seeing below error message for all "Excel Web Access" webpart instances in SharePoint 2016. As per my analysis, this web part is depricated in SharePoint 2016, I have refered https://technet.microsoft.com/en-us/library/mt346112(v=office.16).aspx article. Please let me know if there are any alternatives to get this web part functionality working in SharePoint 2016.

Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type Microsoft.Office.Excel.WebUI.ExcelWebRenderer, Microsoft.Office.Excel.WebUI, Version=, Culture=neutral, PublicKeyToken=71e9bce111e9429c could not be found or it is not registered as safe. Correlation ID: 7199339e-19f1-d0c4-efb6-875b7682c91c.

  • 2
    In order to display Excel workbooks in the browser, you must deploy Office Online Server. Have you done that?
    – user6024
    Dec 5, 2017 at 16:27
  • No, I did not deploy the Office Online Server yet. Do I need to reconfigure the "Excel Web Access" web parts once I deploy the Office Online Server? Dec 5, 2017 at 17:54

1 Answer 1


As you know excel service application is now part of OOS, You need to configure it then yes it will fix the error.

If you currently use Excel Services in SharePoint 2013 and upgrade to SharePoint Server 2016 you must also deploy Office Online Server with Excel Online to ensure Excel Services functionality remains available.

The following Excel Services functionality requires Excel Online in Office Online Server:

  1. Viewing and editing Excel workbooks in a browser (with or without the Data Model)
  2. Excel Web Access web part for SharePoint
  3. ODC file support (no longer requires Data Connection Libraries)
  4. Programmability features such as JavaScript OM, User Defined Function Assemblies, SOAP and REST protocol support

What's deprecated or removed from SharePoint Server 2016 and look for Excel Services in SharePoint section.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.