To organize documents in folders got to Zoho Docs, where you can create folders and organize documents by simple dragging and dropping them into the required folders. To know more on organizing documents in folders in Zoho Docs go here
Zoho Writer provides sorting of documents by 'Name', 'Created Date' & 'Modified Time'(both Ascending and Descending). You can carry out sorting by clicking on the 'Sort by' drop down menu, under 'My Documents' on the left hand panel, and selecting any of the sorting criteria.
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