Error opening file because fiel format or extension is not valid?


Hi all,

I get following error message when running a process from orchestrator:

“Execution error : UiPath.Excel.ExcelException: Excel cannot open the file ‘2018_4_20_Zusammenfassung TED.xlsm’ because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file.”

The file is fine and the extension .xlsm is valid but I can’t seem to get UiPath to accept the file…

Any ideas?

Thank you!


What activity you are using ? to open it?


excel application scope


HI @nicklas.eichelmann,
Can you attache the file ? If possible.



Forum doesn’t allow the upload of .xlsm files. sorry…


@aksh1yadav by the way, maybe this helps - the process worked fine, until I started running it from Orchestrator…