Uploading Android Files to OneDrive

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OneDrive on Android allows for uploading files on the mobile to OneDrive cloud. The process starts in the OneDrive app from the target OneDrive folder and then asks for the location on Android from which the file is to be transferred. The menu of file directories shown for Android is images, video, audio and Downloads folder. There is no Documents folder or other subfolders shown to access files and most required files will be in the Documents folder. How do I get to display the other folders on the Android Note 3?