Read from excel not working

[Deniz_Maral]

There might be a problem at Registry… Please check that topic.

Excel.ReadFromFile operation failed

I tried using Excel.ReadFromFile node but it failed. I’ve read some topics on this forum but haven’t found any solutions. I’m running Revit 2018.1, Dynamo 1.3.1.1736, windows 7 x64, Office 2010. I’ve tried xls, xlsx files at many locations, all granted Editing permission to Every One (I guess I don’t need this because I’m only reading the file’s content) but all failed. [image] I’m coming to Dynamo as a python developer. I also read Dynamo source code on github that I assume to be the Node’s…