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Power Apps - Microsoft Dataverse
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Is is possible to upsert rows of a excel email attachment into a dataverse table?

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HI. I am aware that one can store email attachments as files in Sharepoint or similar and then parse that with a logic flow to get rows upserted into a dataverse table. 

But as our company has recently blocked programmatic access to Sharepoint that's not currently a option.

In the flow we have an Outlook activity that gives us Attachments and from that one or more AttachmentContent entries.

But the contents is in the form of a contentsBytes which seems to be Base64, while i would need excel sheet rows to enumerate.

Is it possible to parse the attachment rows somehow? So far the tries has resulted in error that the contents is string but we need an array. 

Haven't Microsoft though about this need? It would be obvious need to load excel attachments into dataverse table. Preferably as a single  DataVerse action called something like "Upsert rows from excel object" or similar.

Is there some workaround? Do i need to use base64toString() to make an object instead of base64 string?

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