Hi all, Using dynamo 3.2 and I am struggling to get any of my older scripts to successfully export to excel. I have since turned to the newer Open XML Excel exporter but keep getting this error. Has anyone else seen this error? I feel like it’s something obvious i am missing. [image]

Hi, it’s rather a library conflict coming from a third-party addin that doesn’t use the right version of openXML @jm_cop_de try to disable addins and re-test, if it fails again try to remove Dynamo packages [image]

If it’s anything like the openXML in C# it’s not had an official release for .NET8 yet.

Hi Cyril yes you are right! I’ve narrowed it down to the archi-lab package. Shame to remove this as there’s some great nodes there. Are any of you able to replicate this?

you can report the issue here [image] Issues · ksobon/archilab this is archi-lab.net dynamo repo. Contribute to ksobon/archilab development by creating an account on GitHub. (FYI @Konrad_K_Sobon )

Hi Jacob thanks for the reply. That’s good to know but I don’t think that is the problem as it is the latest release of archi-lab - version 2025.300.1225. (I’m running Revit 2025)

Yep - you’re in the right build. Best to surface to the GitHub linked above then. :slight_smile:

thanks guys for the help. Greatly appreciated. . Issue already posted to github. Open XML Version Conflict opened 11:11AM - 04 Dec 24 UTC (UTC) [JoeyJM] JoeyJM …

I use this Data.OpenXMLExportExcel node to create .xlsx files in the background as opposed to having Excel open. The ExportToExcel nodes works just fine with ArchiLab installed. Does anyone have a solution how to close the Excel file within Dynamo after it has opened?

Open XML Export to Excel Node

Revit

jacob.small December 4, 2024, 12:16pm 6

A near certainty that you are using the wrong version of Archi-Lab. Read the linked post carefully, and note that you need a version ending with the same last two digits as your Revit version.

Topic		Replies	Views
Unable to Read Excel in Revit 2025	27	484	July 7, 2025
Data.OpenXMLExportExcel node not working Packages	5	73	July 21, 2026
Data.OpenXMLExportExcel is throwing errors overnight Revit revit , excel , dynamo	6	279	May 25, 2025
OpenXML Export does not work: Data.OpenXMLExportExcel operation failed. Common Language Runtime detected an invalid program Revit revit , dynamo	5	205	January 9, 2026
Revit / Dynamo loading package that isnt installed and then failing to run Revit revit , archi-lab , excel , dynamo	3	795	February 16, 2022

Open XML Export to Excel Node

Related topics