Trouble embedding a document from Onedrive

I got the following embed code for a word doc saved on OneDrive. Squarespace says error when I put the embed code in an embed box. Do you know why it will not work?

<iframe src="https://georgiaalabamalandtrust-my.sharepoint.com/personal/lcompton_galandtrust_org/_layouts/15/Doc.aspx?sourcedoc={d4f4ccb3-4638-42a7-aa7c-6f37e8dd5710}&amp;action=embedview&amp;wdEmbedCode=0" width="476px" height="288px" frameborder="0">This is an embedded <a target="_blank" href="https://office.com">Microsoft Office</a> document, powered by <a target="_blank" href="https://office.com/webapps">Office</a>.</iframe>

quick question:  is this a squarespace limitation or a sharepoint limitation?