Share a document with no sign-in necessary
https://support.microsoft.com/en-us/office/share-a-document-with-no-sign-in-necessary-8d0dc009-4207-4a91-b051-356948579732
With the document open in Word for the web, Excel for the web, PowerPoint for the web, or OneNote for the web click Share. (If you're starting from your OneDrive, right-click the document, and then click Share.). Click Get a link, choose Edit (or another option if you don't want people to edit), and then click Create link.. Copy the link and send it out.
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