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Helper III
Helper III

Create / Modify Excel file based on sharepoint folder



I have a Power Automate flow that collects data submitted from a timesheet Power App. The flow exports data into a CSV file in our SharePoint site. 


I would like the flow to check if a file is already created under the File Name,


- If file does not exist then create the file "timesheetexport_EmployeeID.CSV

- IF file does exist then update the file with latest data.



any suggestions how to appraoch?





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