Uploading a new version from Recent Documents
Select a document.
From the kebab menu, select Upload New Version. A browser window appears.
Select a document to upload and then select Open. The Upload New Version dialog appears.
(Optional) Provide a comment that is useful to you. For example, something that’ll help you distinguish this version from others.
(Optional) Select the Make it Private check box to make this version visible only to you.
Select Upload.
Uploading a new version in preview mode
Select a document to preview it.
In the document toolbar, select Upload New Version. A browser window appears.
Select a document to upload and select Open. The Upload New Version dialog appears.
(Optional) Provide a comment that is useful to you. For example, something that'll help you distinguish this version from others.
(Optional) Select the Make it Private check box to make this version visible only to you.
Select Upload.