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.
Keep proof handoffs clear when creative files change.
Your review tasks point to the latest proof, with a comment naming who saw the previous version so the next handoff stays clear.
Spot proof access problems before they hold up creative reviews.
Your approval task shows whether the reviewer can open the current proof before the due date, with a request for a corrected link when needed.