Free Gmail Backup - Version 4.0 If you want to export/migrate Gmail data including email, contact, calendar & document from Gmail to the storage drive, then download free Gmail backup software which is the greatest backup application that effortlessly transfer all Gmail email, contact, calendar & document to a local machine. Using this tool, you can save entire emails to a desired file format (PST, MSG, MBOX or EML). Gmail backup software has some Great options like: Delete after Download and Add Date Filter. The demo version software easily takes the Backup of 100 email items & 25 other items from Gmail account.