One of the most popular email services, Gmail keeps track of all your emails with threaded conversations, tags, and Google-powered search to find any message you need.
Flag exact copies in project folders before document handoffs.
You can review marked extra copies and their locations before handing a shared folder to another team.
Send project reviewers the name and link of each new document.
Your reviewers get an email when a file lands in your shared review folder, with its name and a link they can open.