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Convert .xls to .xlsx without using non-MS connectors

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Posted on by 18
I have a system that outputs reports automatically as .xls (and cannot be made to output the as .xlsx). As a result I need to convert them to .xlsx (in order to use them with the excel functions in Power Automate Flow), however our policies will not allow me to use external connectors outside of Microsoft's environment (so Plumsail or Muhimbi are out unfortunately).
 
Has anyone managed to get a cloud-based flow to do this working, or does anyone have any ideas how to do so? (Unfortunately just changing the extension doesn't work)
 
Any ideas or suggestions are hugely appreciated!
  • Venkata Golla Profile Picture
    Venkata Golla 78 on at
    Convert .xls to .xlsx without using non-MS connectors
    Can your system export data in csv format by any chance?
     
    we had a similar situation where the usual report from SAP saves as .xls, we changed it to .csv. This way I could parse csv without using external connectors.
  • bisto Profile Picture
    bisto 18 on at
    Convert .xls to .xlsx without using non-MS connectors
    @AlexEncodian thank you for the reply, unfortunately $11,000 to process 2 reports a day is beyond our price range.
  • bisto Profile Picture
    bisto 18 on at
    Convert .xls to .xlsx without using non-MS connectors
    I was just wondering if anyone had any luck trying an Office Script-based approach for this? It's the next thing on my list.

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