Backup and Sync was a desktop software tool for Windows and macOS that allowed users to sync files from Google Drive to their local machine. Launched July 1, 2017; shut down October 1, 2021 — it lived 4 years. One of 32 Google products killed in 2021. https://9to5google.com/2021/02/04/google-drive-for-desktop-replace/ Data: Killed by Google (killedbygoogle.com, MIT).