Excel.ReadFromFile Operation Failed. Need some help

Hello Guys,

Anyone got same problem on “Excel.ReadFromFile Failed” when trying to run a script? I’m using Dynamo Revit in Revit 2019.2.4 and Microsoft 365 Apps for business. The Script that I’m using is working before. Please help.
Dyna Problem

Hi, @hangue welcome to the community!
Did you try from the search bar?

yes, I tried some of it. but it didn’t solve the problem. Any advice?

Better uninstall the MS Office ad reinstall. It worked for me last time.

1 Like

What version of MS Office do you have? and dynamo?

I have all Dynamo from 2.3 and


Also: restart your cpu to ensure another application doesn’t have excel open in the background.