Open Cloud File Attachment Link This feature open the file saved in the sync folder of OneDrive.exe. It need you have login the OneDrive.exe and synchronized the files completely. “Cloud File Attachment Link” is created by OneNote for Windows 10 (UWP). (Read More) “Cloud File Attachment Link” starts string: https://onedrive.live.com/embed “Cloud File Attachment Link” is created when you use “Insert” tab -> “File” feature in OneNote for Windows 10 (UWP). This feature is designed to be compatible with the "Cloud File Attachment" of the OneNote UWP. It can open and edit the file in “OneNote Uploads” folder in local OneDrive sync folder directly from OneNote. Follow steps to open Cloud File Attachment: Use mouse right click on a “Cloud File Attachment Link”. On the right click menu, click “Open Web Link With” menu -> “ONEDRIVE.EXE” menu item. This allows you to use the local software to open the files in “OneNote Uploads” in sync folder of your local OneDrive.exe for editing. (This feature feature just support Personal OneDrive, doesn't OneDrive for Business);