OneDrive, Microsoft's file sync app formerly known as SkyDrive, lets you store your files online, edit Office documents in the free Office Web Apps, and easily access your online files from your PC.
Email the folder owner where matching project files sit.
You can review marked extra copies and their locations before handing a shared folder to another team.
Email a weekly list of duplicate project files to review.
You get a Friday email grouping exact duplicate files. Extra copies carry review notes pointing to the oldest file to keep.
Clear duplicate project files and email folder owners what changed.
Keep shared project folders tidy: this cloud duplicate file finder trashes confirmed extras and emails owners a Friday cleanup log.