1. In your Outlook, click on Attach File, then Browse This PC
    7 ways to attach SharePoint documents to an email     
  2.  In the window that pops up, we have to choose the attachment from our PC. However, instead, let’s go ahead and paste the URL to the document library where you want to attach files from. Go ahead and copy the URL, Make sure you only copy the URL fo library itself, not the whole path to a specific view. Example: https://keminind.sharepoint.com/sites/KFT/Asia/RD
  3. Your document library files and folders will now appear in the window.
       
  4. Just navigate to the file you want to attach and click Insert
                       
  5. Choose attached as copy

  1. The file will now be attached to an email    
    7 ways to attach SharePoint documents to an email